Complacent (adj) self-satisfied ; overly pleased with oneself ; contented to a fault

The football team won so many games that it become complacent, and the  worst team in the league won the game.

Complement (V) to complete or fill up ; to be the perfect counterpart

Complement word is often obfuscate with compliment.

Complicity (n) : participation in wrongdoing ; the act of being an accomplice

There was complicity between the bank robber and the dishonest teller.

Complicity among the students made it impossible to find out which of them had pulled the fire alarm.

 

Comprehensive (adj) covering or including everything

The insurance policy was comprehensive; it covered all possible losses.

Comprise (v) to consist of

A company comprises employees.

Conciliatory (adj) making peace ; attempting to resolve a dispute through goodwill

Come on—be conciliatory.

Concise (adj) brieft and to the point ; succinct

To be concise is to say much with few words. A concise speaker is one who speaks concisely or with concision.

Concord (n) : harmony ; agreement, accord

Nations that live in concord are nations that live together in peace.

Concur- agree but Discord as opposite

Concurrent (adj) happening at the same time, parallel, simultaneously

Condescend (V) : to stoop to someone else’s level, usually in an offensive way ; to patronize

I was surprised that the president of the company had condescended to talk with me.

Condone (v) : to overlook ; to permit to happen

The principal condoned the hood’s smoking in the bathroom; he simply ignored it.

Conducive (adj) : promoting

The foul weather was not conducive to our having a picnic.

Confluence (n) : a flowing together, especially of rivers ; the place where they begin to flow together

There is a remarkable confluence in our thoughts: we think the same way about almost everything.

Congenial (adj): agreeably suitable; pleasant

The little cabin in the woods was congenial to the writer; she was able to get a lot of writing done there.

Congenital (adj) : describing a trait or condition acquired between conception and birth ; innate

A congenital birth defect is one that is present at birth but was not caused by one’s genes.

Congregate (v):to come together

Rioter and Protestors were granted permission to congregate peacefully on the plaza.

 

Conjecture (V) : to guess ; to deduce or infer on slight evidence

If forced to conjecture, I would say the volcano will erupt in twenty-four hours.

Conjure (V) : to summon or bring into being as if by magic

The chef conjured a fabulous gourmet meal using nothing more than the meager ingredients in Lucy’s Kitchen.

Connoisseur (N): an expert, particularly in matters of art or taste.

Farnk was a connoisseur of bad movies. He had seen them all.

Consecrate (v) : to make or declare sacred

The priest consecrated the building by sprinkling holy water on it.

Desecrate : treat irreverently, 

Consensus (n) : unanimity or general agreement

When there is a consensus, everybody feels the same way.

Consonant (adj) : harmonious ; in agreement

Our desires were consonant with theirs ; we all wantedd the same thing.

Dissonant : in harmonious)

 

Construe (v) : to interpret

Prestion construed his contract as giving him the right to do anything he wanted.

Consummate (adj) perfect; complete; supremely skillful

A consummate pianist is an extremely good one.

Contentious (adj): argumentative; quarrelsome

A person looking for a fight is contentious

Contiguous (adj): side by side; adjoining

If two countries are contiguous, the territory they cover is continuous.

Contingent (adj): dependent; possible

My happiness is contingent on yours; if you are unhappy, I am unhappy.

Contrite (adj) admitting guilt; especially feeling remorseful

Mira was contrite about her mistake, so we forgive her.

Contrived (adj) artificial; labored

Sam’s acting was contrived: no one is the audience believed his character or enjoyed his performance.

Conventional (adj) common; customary; unexceptional

Conventional wisdom is what everyone thinks.

Convivial (adj): fond of partying; festive

A convivial gathering is one in which the people present enjoy eating, drinking, and being together.

Copious (adj) abundant; plentiful

The champagne at the wedding reception was copious but not very good.