antonym, n. counterterm.

anxiety, n. solicitude, apprehension, disquietude, foreboding.
Antonyms: assurance, indifference, calmness, satisfaction, unconcern.

anxious, a. solicitous, apprehensive, concerned, worried. Antonyms:
unconcerned, assured, indifferent.

apathetic, a. passionless, unfeeling, unconcerned, indifferent.

apathy, n. dispassion, indifference, unconcern, insensibility.

ape, n. simian, pongo; gorilla, chimpanzee, orang-outang, baboon,
troglodyte. Associated Words: simian, simial, pithecoid, pithecan.

ape, v. imitate, mimic.

aphis, n. puceron, aphidian, plant louse; pl. aphides, aphidæ.
Associated Words: aphidian, aphidivorous, aphidophagous.

aplomb, n. self-possession, assurance.

apologizer, n. apologist, vindicator, defender, advocate.

apology, n. justification, extenuation, defense, vindication, _amende
honorable_; makeshift, substitute, excuse.

apostasy, n. defection, unfaithfulness, renunciation, desertion
(traitorous).