10 th Grade ACT Vocabulary Unit 10
inarticulate Adj. lacking the ability to express oneself clearly Adj. lacking the ability to express oneself clearly
inclement Adj. severe, rough, or harsh; stormy Adj. severe, rough, or harsh; stormy
incognito N. having one’s identity concealed N. having one’s identity concealed
incoherent Adj. without logical or meaningful connection Adj. without logical or meaningful connection
incongruous Adj. out of place, inappropriate Adj. out of place, inappropriate
indigent Adj. lacking food, clothing, and other necessities because of poverty Adj. lacking food, clothing, and other necessities because of poverty “The Indigent Family” by William- Adolphe
indomitable Adj. that cannot be subdued or overcome, as persons, will, or courage Adj. that cannot be subdued or overcome, as persons, will, or courage
inertia N. inactivity; sluggishness, lack of effort N. inactivity; sluggishness, lack of effort
infallible Adj. absolutely trustworthy or sure Adj. absolutely trustworthy or sure My cousins are infallible people.
innate Adj. existing in, belonging to, determined from birth Adj. existing in, belonging to, determined from birth It was innate that these babies would become famous dancers one day.
innovation N. something new or different introduced N. something new or different introduced
inscrutable Adj. incapable of being investigated or analyzed Adj. incapable of being investigated or analyzed
instigate V. to urge, provoke, or start some sort of action V. to urge, provoke, or start some sort of action
interloper N. a person who interferes in other people’s affairs N. a person who interferes in other people’s affairs
intrepid Adj. resolutely fearless Adj. resolutely fearless My cousin/big brother, Joey.
Word Power 16. jud, judi, judic, – judge, lawyer, law 16. jud, judi, judic, – judge, lawyer, law Judicial Judicial judge judge 17. bi – both, double, tow twice 17. bi – both, double, tow twice Binary Binary Bicycle Bicycle 18. sub – under 18. sub – under Submarine Submarine Subterranean Subterranean 19. – en made of, make 19. – en made of, make Mistaken Mistaken broken broken 20. – ice condition, state, quality 20. – ice condition, state, quality Solice Solice hospice hospice