cynicism

The word's journey begins with the ancient Greek philosophical sect known as the Cynics, founded by Antisthenes and famously embodied by Diogenes of Sinope. Their name, Kynikos, literally meant "dog-like," likely derived from their shameless, ascetic lifestyle and public comportment, which critics compared to that of a dog. Over centuries, the core idea of rejecting social conventions and material desires for a life of virtue became distorted. The focus shifted from principled austerity to a contemptuous disbelief in sincerity or altruism. Thus, the modern abstract meaning of cynicism evolved from the literal "dog-like" behavior of the philosophers into a general doctrine of distrust and negative skepticism regarding human motives.

Structure: cynic (dog-like) + ism (doctrine or practice) cynic (from Greek kynikos, meaning "dog-like" or "churlish," from kyōn, "dog"); ism (from Greek -ismos, a suffix forming nouns of action, state, or doctrine).