(1) arch- means chief; first Examples Archetype = original Archbishop = chief bishop Archeology = study of first people or ancient times

(2) be- means over; thoroughly Examples Bedaub = smear all over Befuddle = to confuse totally Beguile = totally charm or even deceive

(3) bi- means two Bicycle = two-wheeled fun Biennial = every two years Examples Bicycle = two-wheeled fun Biennial = every two years Bicameral = two groups/houses (like in congress)

(4) cata- means down Catastrophe = disaster Cataract = waterfall Examples Catastrophe = disaster Cataract = waterfall Catapult = to hurl (throw down)

(5) circum- means around Examples Circumnavigate = travel all the way around the world Circumspect = cautious (looking around) Circumscribe = to limit (place a circle around)

(6) com-/con- means with; together Examples Combine = put together with Communicate = talk with Conference = meeting

(7) co-/col- means with; together Examples Coeditor = editor with another Collateral = connected with Collate = to put together

(8) Cor- means with; together Examples Correlate = to match up with Corroborate = to confirm; to verify

(9) Contra-/contro- means against Examples Contravene = conflict with Controversy = argument or dispute Contradictory = disagreeing with

(10) Demi- means partly; half Examples Demigod = partly a god Demitasse = small cup

(11) Di- means two Dichotomy = split into two parts Examples Dichotomy = split into two parts Dilemma = choice between two bad alternatives

(12) Dia- means across Examples Diameter = distance across the center of a circle Diagonal = distance across a figure Diagram = a drawn model

(13) Dis-/dif- means not; apart Examples Discord = not in harmony Differ = to disagree Disparity = not being equal; having a difference

(14) Dys- means faulty; bad Examples Dysfunctional = operate incorrectly Dyslexia = faulty ability to read Dyspepsia = indigestion

(15) Ex-/e- means out Exit = to leave Expel = to drive out Examples Exit = to leave Expel = to drive out Extirpate = to root out Eject = to throw out

(16) Extra-/extro- means beyond;outside Examples Extracurricular = beyond the curriculum Extraterritorial = beyond a nation’s boundaries Extrovert = a person mostly interested in other people and things

(17) Hyper- means above; excessively Examples Hyperbole = exaggeration Hyperventilate = breathe very quickly

(18) Hypo- means beneath; lower Examples Hypoglycemia = low blood sugar Hypothyroid = low-functioning Hypodermic = beneath your skin

(19) in-/im- means not Inefficient = not efficient or productive Examples Inefficient = not efficient or productive Inarticulate = can’t speak understandably Impeccable = not wrecked up; perfect

(20) il-/ir- means not Illegible = not readable Examples Illegible = not readable Irrelevant = doesn’t matter Irrevocable = can’t change it or “call it back”

(21) inter- means between; among Examples Intervene = come between International = between countries Interjection = a comment thrown in

(22) in-/im-/il-/ir- means in; on; upon; among Examples Invite = to call in Illustration = something that makes things clear Impression = have an effect upon someone’s opinion Irradiate = to shine upon

(23) intra-/intro- means within Examples Intramural = within a school Introvert = person who turns within himself

(24) macro- means large; long Examples Macrobiotic = prolonging life Macrocosm = the entire universe or “the big picture”

(25) mega- means great; million Examples Megalomania = delusions of grandeur/greatness Megaton = explosive force of a million tons of TNT Megaphone = makes your voice really loud

(26) meta- means involving change Examples Metamorphosis = a complete change of form Metacognition = a complete change of thinking

(27) micro- means small; miniature Examples Microcosm = miniature universe/world Microscopic = extremely small to look at Microbe = tiny organism

(28) mis- means bad; wrong Examples Misdemeanor = minor crime Mischance = unfortunate accident Misnomer = wrong name

(29) mis- means hatred Misanthrope = person who hates mankind Examples Misanthrope = person who hates mankind Misogynist = person who hates women

(30) mono- means one Monarchy = government by one king or queen Examples Monarchy = government by one king or queen Monotheism = belief in one god Monopoly = one person/entity has complete ownership/control

(31) -able/-ible means capable of adj. Examples Portable = able to be carried Legible = able to be read Interminable = not able to be limited

(32) –ac/-ic means like or about adj. Examples Cardiac = about the heart Aquatic = about the water Dramatic = about drama

(33) –acious/-icious means full of adj. Examples Audacious = full of daring Perspicacious = full of mental perception Avaricious = full of greed

(34) -al [turns a noun into an adjective] Examples Maniacal = insane Final = the end of something Logical = clear and orderly thinking

(35) –ant/-ent means full of adj. or noun Examples Eloquent = full of fluid and effective speech Suppliant = a person full of requests Verdant = very (full of) green

(36) –ary means like, about, connected with adj. or noun Examples Dictionary = book about words Honorary = with honor Luminary = shiny person or object

(37) –ate means to make verb Examples Consecrate = to make holy Enervate = to make tired or weary Mitigate = to make less severe

(38) –ation means that which is noun Examples Exasperation = out of patience Irritation = annoyance Fascination = totally interested

(39) –cy means state of being noun Examples Democracy = government ruled by the people Obstinacy = being obstinate (stubborn) Accuracy = being accurate (correct)

(40) –eer/-er/-or means person who noun Examples Mutineer = person who rebels Teacher = person who teaches Censor = person who deletes improper content

(41) –fic means making; causing adj. Examples Terrific = causing fear Soporific = causing sleep

(42) –fy means to make verb Examples Magnify = to enlarge Petrify = to turn into rock Beautify = to make beautiful

(43) –iferous means producing; bearing adj. Examples Pestiferous = carrying disease Vociferous = producing a loud noise

(44) –il/-ile means about; capable of adj. Examples Puerile = about a boy or child Ductile = capable of being hammered or drawn Civil = polite

(45) –ism means doctrine; belief system noun Examples Monotheism = belief in just one god Communism = doctrine of the government owning everything and people owning nothing Judaism = belief in the Jewish Yahweh god

(46) –ist means doer, person who studies noun Examples Geologist = person who studies the earth Artist = person who creates art Realist = person who “does” reality

(47) –ity means state of being noun Examples Annuity = having a yearly grant Credulity = being very willing to believe Sagacity = being full of wisdom

(48) –ize/-ise means to make verb Examples Victimize = to make someone a victim Harmonize = to make pleasing, blending sounds Enfranchise = to set or make free

(49) –oid means resembling, like noun Examples Asteroid = like a star Anthropoid = resembling a human Spheroid = similar to a sphere

(50) –ive means pertaining to; about adj Examples Expensive = costly Quantitative = about an amount Effusive = “gushy”

(51) –ose means full of adj Examples Verbose = full of words Lachrymose = full of tears

(52) –osis means condition of noun Examples Psychosis = sick mental condition Neurosis = nervous condition Hypnosis = causing induced sleep

(53) –ous means full of adj Examples Nauseous = full of nausea Ludicrous = full of foolishness

(54) –tude means state of noun Examples Fortitude = state of strength and courage Beatitude = being blessed Certitude = state of being certain or sure

(55) ab-/abs- means from; away from Examples Absent = away from here Abduct = lead away; kidnap Abject = less than; degraded

(56) ambi- means both, more than one Examples Ambidextrous = skilled with both hands Ambiguous = has a double meaning Ambivalent = having two conflicting emotions

(57) an-/a- means without Examples Anarchy = without government; with no order Anesthesia = causing non-consciousness Amoral = no moral structure

(58) ante- means before; in front of Examples Antecedent = thing that came before Antediluvian = before the flood Antebellum = before the war

(59) anti- means against; opposite Examples Antipathy = hatred; dislike Antiseptic = against infection Antithetical = an opposite idea

(60) multi- means many Multicolored = has lots of colors Examples Multicolored = has lots of colors Multitude = many people Multisyllabic = has lots of syllables

(61) neo- means new Neophyte = beginner; novice Examples Neophyte = beginner; novice Neonatal = care for sick newborns

(62) non- means not Noncommittal = undecided Examples Noncommittal = undecided Nonentity = a person of no importance

(63) ob-/oc-/of-/op- means against Examples Object= speak against Occlude = block out Offend = insult Opponent = person you struggle against

(64) olig- means few Examples Oligarchy = government by a few

(65) pan- means all; every Examples Panacea = cure-all Panorama = unblocked view in all directions Pandemic = sickness in every part of the world

(66) para- means beyond; related Examples Paraphrase = to restate in a related way Paramedic = related to medical doctors (but not actually them) Paranormal = beyond normal

(67) per- means through; completely Examples Permeable = allowing passage through Pervasive = spread everywhere/completely

(68) peri- means around; near Examples Perimeter = distance around something Periphery = near the edge

(69) poly- means many Polygamy = having many spouses Examples Polygamy = having many spouses Polyglot = speaking many languages Polytheism = belief in many gods

(70) post- means after Postpone = to delay Examples Postpone = to delay Posterity = generations that come after you Posthumous = after death

(71) pre- means before Examples Preamble = statement that comes before a speech/document Prefix = letters that are put before a base word Premonition = forewarning

(72) prim- means first Examples Primordial = already existed at the beginning of time Primer = book (or point) that comes first Primogeniture = being born first

(73) pro- means forward; in favor of Examples Propulsive = driving forward Proponent = someone in favor of

(74) proto- means first Prototype = first of its kind Examples Prototype = first of its kind Protoplasm = organism of basic life

(75) pseudo- means false Pseudonym = fake name Examples Pseudonym = fake name Pseudoscience = false science

(76) re- means again; back Examples Reiterate = say again Reimburse = pay back Review = look at again

(77) retro- means backward Examples Retrospect = looking back Retroactive = effective as of a past date

(78) se- means away; aside Examples Secede = to withdraw Secluded = shut away Seduce = lead astray

(79) semi- means half; partly Examples Semiannual = every six months Semiconscious = partially conscious

(80) sub-/sup-/sus- means under; less Examples Submarine = boat under the water Suppress = squash or put down by force Suspend = to delay or pause

(81) suc-/suf-/sug- means under; less Examples Succumb = yield; stop resisting Suffuse = spread throughout Suggest = hint

(82) super-/sur- means over; above Examples Supernatural = beyond natural things Supervise = oversee Surtax = a tax that’s over and above the usual taxes

(83) syn-/sym-/syl-/sys- means with; together Examples Synchronize = match time with Sympathize = feel with Syllogism = how ideas go together System = network together

(84) tele- means far Examples Telegraphic = written communication over a far distance Telephone = instrument to hear over a far distance

(85) trans- means across Transport = to carry across Examples Transport = to carry across Transpose = to reverse or to move across

(86) ultra- means beyond; excessive Examples Ultramodern = excessively modern Ultracritical = exceedingly critical

(87) un- means not Unlike = not like any other Unexpected = a surprise Examples Unlike = not like any other Unexpected = a surprise

(88) under- means below Undergird = strengthen below Examples Undergird = strengthen below Underachiever = achieving below ability

(89) uni- means one Unison = singing/talking “as one” Examples Unison = singing/talking “as one” Unicycle = one-wheeled vehicle

(90) vice- means in place of Examples Vicarious = acting as a substitute Viceroy = in place of a king Vice president = in place of a president

(91) with- means away; against Examples Withdraw = pull away Withstand = stand up against; resist

(92) -ac-/-acr- means sharp Examples Acerbic = bitter; sharp Acrimonious = bitter (like acid or poison)

(93) -ag-/-act- means do Act = a deed; something you do Examples Act = a deed; something you do Agent = a person who does something

(94) -agog- means leader Demagogue = a leader who leads deceptively Examples Demagogue = a leader who leads deceptively Pedagogue = a teacher or leader (of children)

(95) -agri-/-agrari- means field Examples Agrarian = field-related Agriculture = cultivated fields

(96) -ali- means another Alias = another (fake) name Examples Alias = another (fake) name Alienate = to turn away from another; to be “far away” from them

(97) -alt- means high Altitude = height Examples Altitude = height Altimeter = instrument for measuring height

(98) -alter-/-altr- means other Examples Altruistic = unselfish; thinking about others Alter ego = a second self

(99) -am- means love Examples Amicable = friendly Amorous = loving

(100) -anim- means mud; soul Examples Unanimous = of one mind Magnanimity = greatness of mind and spirit