WordWeb Online

1. Believing the worst of human nature and motives; having a sneering disbelief in e.g. selflessness of others
   "We live in a cynical age";
   - misanthropic, misanthropical
    
2. Abusing vocally; expressing contempt or ridicule
   "cynical laughter";
   - derisive, gibelike, jeering, mocking, taunting
    
3. Showing contempt for accepted moral standards, esp. by following self-interest

See also: disrespectful, distrustful

Encyclopedia: Cynical