coolness, n. dispassion, [nonchalance], [indifference]; (Colloq.) [impudence], audacity.

coon, n. raccoon, mapach.

coop, n. [pen], cote, [mew], hutch, poultry-house.

coop, v. [confine], shut up, [imprison], incage, [mew].

coöperate, v. concur, [unite], work [together]; collude.

coöperating, a. cooperative, [auxiliary], concurrent; synergetic.

coöperation, n. concurrence, working [together]; collusion; synergism, synergy. Antonyms: antagonism, [competition], [opposition].

coot, n. (Colloq.) dolt, [dunce], dullard, [simpleton].

copier, n. [copyist], transcriber; [imitator], plagiarist. Antonym: originator.

copious, a. [plentiful], [abundant], [overflowing], [ample], [exuberant].