ACT List 1
9th Grade List 1
9th Grade List 2
9th Grade List 3
9th Grade List 4
100

group of genetically related organisms constituting a single step in the line of descent

generation 

100

having more than one possible meaning

ambiguous

100

something that is required in advance

prerequisite

100

a noisy quarrel

altercation

100

a person who pleads for a cause or propounds an idea

proponent

200

a just detectable amount

trace 

200

escape, either physically or mentally

elude

200

all of the same or similar kind or nature

homogeneous

200

cause to suffer

persecute

200

capable of being believed

credible

300

an increase in density

concentration 

300

marked by blithe unconcern

nonchalant

300

without any attempt at concealment; completely obvious

blatant

300

emotionally hardened

callous

300

deviation from the normal or common order or form or rule

anomaly

400

any of several bodily processes by which substances go out of the body

discharge 

400

find repugnant

abhor

400

politely warm and friendly

cordial

400

not disposed or willing to believe; unbelieving

incredulous

400

marked by active interest and enthusiasm

avid

500

having or experiencing a rapid onset and short but severe course

acute 

500

working or spreading in a hidden and usually injurious way

insidious

500

so extremely old as seeming to belong to an earlier period

archaic

500

causing an emotional disturbance

disconcerting

500

(sometimes followed by 'of') having or showing knowledge or understanding or realization or perception

cognizant

M
e
n
u