Common Word Parts Prefixes

Day 1 anti– against com– together con– together dis– not; opposite of antibody- protein molecules produced by cells for immune defense com– together combine- to join in close union; unite con– together conjunction- a group of words that connects or combines phrases and sentences dis– not; opposite of distrust- to have no trust in

Day 2 inter– between intro– into; inward non– not pro– forward intercept- to take or halt someone or something on the way from one place to another intro– into; inward introvert- to turn inward; a shy person non– not nonsense- words or language that have no sense or meaning pro– forward proceed- to move or go forward

Day 3 super– over; more superhuman- above or beyond what is human trans– across; beyond transport- to carry or move from one place to another bi– two bicycle- a vehicle with two wheels extra– beyond; outside extracurricular- activities which are not part of the academic course

Day 4 il– not illegal- forbidden by law; not legal mis– incorrect; bad misbehave- to behave badly or improper ex– out of; from exterior- being on the outer side of a surface neo– new neoplasm- an abnormal new growth of tissue in a plan or animal; tumor

Day 5 poly– many polygon- a figure having three or more sides pseudo– false pseudonym- a name adopted by an author for his or her writings; a pen name sur– over; above surcharge- an additional charge, tax, or cost mal– bad malfunction- failure to function properly

Day 6 pre– before sem– half sub– under re– back; again pretest- a test given to determine if students are prepared to begin a new course of study sem– half semicircle- half of a circle sub– under subway- an underground electric railroad re– back; again rewrite- to write again un- not; opposite of uncover- to remove the cover

Day 7- Practice Quiz Match the following prefixes with their meanings: anti— a. under con— b. beyond; outside inter— c. between super— d. over; above extra— e. new poly— f. over; more psuedo— g. against neo— h. false sur— i. together sub-- j. many

Quiz Day! Study quietly before the quiz.