Cyn

cynical (adjective)

- believing that people are motivated by self-interest; distrustful of human sincerity or integrity. "... her cynical attitude."

- doubtful as to whether something will happen or whether it is worthwhile. "... most residents are -cynical aboutefforts to clean mobsters out of their city."

- contemptuous; mocking. "... he gave a cynical laugh." 

- concerned only with one's own interests and typically disregarding of appropriate standards in order to achieve them. "... a cynical manipulation of public opinion."

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Credit: The American English dictionary; Apple Dictionary, 2016.