From WordNet (r) 2.0 (August 2003) [wn]:
jeering
adj : abusing vocally; expressing contempt or ridicule; "derisive
laughter"; "a jeering crowd"; "her mocking smile";
"taunting shouts of `coward' and `sissy'" [syn:
derisive, gibelike, mocking, taunting]
n : showing your contempt by derision [syn: jeer, mockery,
scoff, scoffing]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Jeering \Jeer"ing\, a.
Mocking; scoffing. -- n. A mocking utterance. --
Jeer"ing*ly, adv.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Jeer \Jeer\, v. i. [imp. & p. p. Jeered; p. pr. & vb. n.
Jeering.] [Perh. a corrup. of cheer to salute with cheers,
taken in an ironical sense; or more prob. fr. D. gekscheren
to jeer, lit., to shear the fool; gek a fool (see 1st Geck)
+ scheren to shear. See Shear, v.]
To utter sarcastic or scoffing reflections; to speak with
mockery or derision; to use taunting language; to scoff; as,
to jeer at a speaker.
[1913 Webster]
But when he saw her toy and gibe and jeer. --Spenser.
Syn: To sneer; scoff; flout; gibe; mock.
[1913 Webster]