[syn: jack, jackass]
The Collaborative International Dictionary of English v.0.48:
Jackass \Jack"ass`\, n. [2d jack + ass.]
1. The male ass; a donkey.
2. A conceited dolt; a perverse blockhead; -- disparaging and
Jackass bark (Naut.), a three-masted vessel, with only the
foremast square-rigged; a barkentine.
Jackass deer (Zool.), the koba.
Jackass hare, Jackass rabbit (Zool.). See Jack rabbit,
under 2d Jack, n.
Jackass penguin (Zool.), any species of penguin of the
genus Spheniscus, of which several are known. One
species (Spheniscus demersus) inhabits the islands near
the Cape of Good Hope; another (Spheniscus Magellanicus)
is found at the Falkland Islands. They make a noise like
the braying of an ass; -- hence the name.
Laughing jackass. (Zool.) See under Laughing.
WordNet (r) 3.0 (2006):
n 1: a man who is a stupid incompetent fool [syn: fathead,
goof, goofball, bozo, jackass, goose, cuckoo,
2: male donkey [syn: jack, jackass]
Moby Thesaurus II by Grady Ward, 1.0:
31 Moby Thesaurus words for "jackass":
Rocky Mountain canary, ass, born fool, buffoon, burro, clown,
cuddy, dickey, donkey, doodle, egregious ass, figure of fun, fool,
idiot, ignoramus, imbecile, jack, jennet, jenny, jenny ass, jerk,
lunatic, milksop, mooncalf, neddy, nincompoop, perfect fool,
schmuck, stupid ass, tomfool, zany