List 1
List 2
List 3
List 4
List 5
100

recognize, possibly reluctantly, the status or rights of

acknowledge

100

expression of approval

accolade

100

able to be reached

accessible

100

not concrete  

abstract

100

explain by pointing out a cause

attribute

200

indirect or hinted reference

allusion

200

bitter in words or manner

acrimonious

200

dealing with or capable of appreciating the beautiful

aesthetic

200

difficult to understand

abstruse

200

sparing in eating and drinking

abstemious

300

cheerful readiness to respond

alacrity

300

sharply bitter in taste or odor

acrid

300

someone who follows a leader or supports a cause

adherent

300

one who resists or opposes

adversary

300

state of having conflicting emotional attitudes

ambivalence

400

easy to talk to; warmly friendly

affable

400

having several possible meaning, and therefore unclear

ambiguous

400

excessive admiration

adulation

400

lacking shape or definition

amorphous

400

to increase 

augment 

500

having skill or resourcefulness in coping with situations

adroit

500

unselfishly concerned for the well-being of others

altruistic

500

force negatively affecting one's well-being

adversity

500

agree without protesting

acquiesce

500

something out of place chronologically, not in its proper historical period

anachronism

M
e
n
u