contradictory, a. inconsistent, irreconcilable, paradoxical, opposing, contradicting.

contrariety, n. antagonism, repugnance, disagreement, inconsistency, opposition.

contrary, a. opposite, adverse, counter, opposed; repugnant, incompatible, contradictory, retroactive, antagonistic, conflicting, abhorrent, inconsistent; perverse, wayward, refractory, headstrong, intractable.

contrast, n. comparison; opposition, antithesis, dissimilitude, unlikeness.

contravene, v. thwart, oppose, counteract countervail; violate, transgress.

contravention, n. thwarting, opposition, counteraction, violation, transgression.

contrite, a. penitent, repentant, sorrowful.  Antonyms:  impenitent, obdurate.

contrite person. penitent, repentant.

contrition, n. penitence, compunction, remorse, attrition, self-reproach.

contrivance, n. contriving, devising; device, expedient, scheme, invention.

contrive, v. devise, concoct, invent, excogitate, scheme, plan.

control, v. restrain, regulate, govern, manage, repress, direct, bridle, dominate.

control, n. restraint, repression, check, hindrance; domination, ascendency, dominion, regulation, superintendence governance, command, mastery.  Antonyms:  unrestraint, abandon, subjection.

controller, n. governor, regulator, ruler; comptroller.

controversial, a. disputatious, polemical.

controversy, n. dispute, contention, disoutation, altercation polemics, logomachy.

convalescence, n. revalescence.

convene, v. assemble, convoke, congregate.

convenient, a. handy, advantageous; seasonable, timely, opportune, suitable; accessible.

convent, n. nunnery, monastery, cloister, abbey, priory.  Associated words:  conventual, conventical, monastic.

convention, n. custom, usage, conventionality; assembly, convocation, congress, diet, synod, council.

conversation, n. converse, colloquy, parlance, parley, interlocution, chat, causerie, conference, confabulation, interview.

conversational, a. colloquial, interlocutory.

converse, v. talk, chat, commune, confabulate, parley.

converse, n. intercourse, communion, conversation, parley.

conversion, n. transmutation, transformation; proselytism; regeneration; appropriation, application, employment.

convert, v. transform, transmute; proselyte; regenerate; appropriate, apply.

convert, n. proselyte.

convex, a. protuberant, bulging, gibbous.  Antonym:  concave.

convexity, n. protuberance, gibbosity.  Antonym:  concavity.

conveyance, n. carriage, transmission; transfer, demise, alienation, cession.

convict, n. felon, prisoner, criminal, culprit, malefactor.

convincing, a. cogent, persuasive, conclusive.

convivial, a. festive, festal, social, jolly, gay.