Pronunciation: (sin'ik),[key] —n. 1. a person who believes that only selfishness motivates human actions and who disbelieves in or minimizes selfless acts or disinterested points of view.
2. (cap.) one of a sect of Greek philosophers, 4th century b.c., who advocated the doctrines that virtue is the only good, that the essence of virtue is self-control, and that surrender to any external influence is beneath human dignity.
3. a person who shows or expresses a bitterly or sneeringly cynical attitude.
—adj. 1. cynical.
2. (cap.) Also,Cynical.of or pertaining to the Cynics or their doctrines.
3. Med. Now Rare.resembling the actions of a snarling dog.