Wordnet 3.0
ADJECTIVE (1)
1. 
 abusing vocally; 
 expressing contempt or ridicule; 
- Example: "derisive laughter"- Example: "a jeering crowd"- Example: "her mocking smile"- Example: "taunting shouts of `coward' and `sissy'"[syn: derisive, gibelike, jeering, mocking, taunting]
WordNet (r) 3.0 (2006):
gibelike
    adj 1: abusing vocally; expressing contempt or ridicule;
           "derisive laughter"; "a jeering crowd"; "her mocking
           smile"; "taunting shouts of `coward' and `sissy'" [syn:
           derisive, gibelike, jeering, mocking, taunting]