cupule, cupuliferous, quercite, racahout.

acquaint, v. familiarize, inform, tell, apprise, notify.

acquaintance, n. familiarity; kith. Antonyms: ignorance,
unfamiliarity, unacquaintance.

acquirement, n. acquisition, attainment.

acquit, v. discharge, release, exculpate, exonerate.

acquittal, n. release, discharge, exoneration, exculpation.

acrid, a. pungent, biting, corrosive, caustic.

acridity, n. pungency, bitterness, causticity, acrimony.

acrimonious, a. caustic, sarcastic, censorious, virulent, rancorous.

acrimony, n. asperity, bitterness, virulence, causticity, rancor,
sharpness.

acrobat, n. equilibrist, tumbler, funambulist, vaulter.

across, prep. and adv. athwart, crosswise, traverse
transversely.

act, n. performance, feat, stunt (Colloq.), exploit, achievement,
deed, action, procedure, turn; decree, edict, law, statute, enactment,
ordinance.