Adjacent Words

Jackass definitions

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Webster's 1828 Dictionary

JACK'ASS, n. The male of the ass.
JACK'-BLOCK, n. A block attached to the top-gallant-tie of a ship, to sway up or to strike the yard.

WordNet (r) 3.0 (2005)

n
1: a man who is a stupid incompetent fool [syn: fathead, goof, goofball, bozo, jackass, goose, cuckoo, twat, zany]
2: male donkey [syn: jack, jackass]

Merriam Webster's

noun Date: 1727 1. donkey; especially a male donkey 2. a stupid person ; fool

Oxford Reference Dictionary

n. 1 a male ass. 2 a stupid person.

Webster's 1913 Dictionary

Jackass Jack"ass`, n. [2d jack + ass.] 1. The male ass; a donkey. 2. A conceited dolt; a perverse blockhead. Jackass bark (Naut.), a three-masted vessel, with only the foremast square-rigged; a barkentine. Jackass deer (Zo["o]l.), the koba. Jackass hare, Jackass rabbit (Zo["o]l.). See Jack rabbit, under 2d Jack, n. Jackass penguin (Zo["o]l.), any species of penguin of the genus Spheniscus, of which several are known. One species (S. demersus) inhabits the islands near the Cape of Good Hope; another (S. Magellanicus) is found at the Falkland Islands. They make a noise like the braying of an ass; -- hence the name. Laughing jackass. (Zo["o]l.) See under Laughing.

Soule's Dictionary of English Synonyms

n. 1. Male ass. 2. Blockhead, simpleton. See dunce.

Moby Thesaurus

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