cynical

adjective5

1. •
   Of or relating to the belief that human actions are motivated only or primarily by base desires or selfishness.

   • I hope it is no very cynical asperity not to confess obligations where no benefit has been received. — 1755
2. •
   Skeptical of the integrity, sincerity, or motives of others.
3. •
   Bitterly or jadedly distrustful or contemptuous; mocking.
4. •
   Showing contempt for accepted moral standards by one's actions.
5. •
   (rare) Like the actions of a snarling dog, especially in reference to facial nerve paralysis.

   • Towards noon, he experienced convulsive movements; the extremities became stiff, the pulse extremely small, and he died during an attack of cynical spasm. — 1818

adjective1

1. •
   Of or relating to the Cynics, a sect of Ancient Greek philosophers who believed virtue to be the only good and self-control to be the only means of achieving virtue.