loco

lo·co ¹  (lk)

adj. Slang

Mad; insane.

n. pl. lo·cos

1. See locoweed.

2. See loco disease.

tr.v. lo·coed, lo·co·ing, lo·cos

1. To poison with locoweed.

2. Slang To make insane; craze.

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[Spanish, crazy, possibly from Arabic lawq', foolish, feminine sing. of 'alwaq, from lqa, to soften; see lwq in Semitic roots.]

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lo·co ²  (lk)

adv. & adj. Music

At the pitch written. Used chiefly as a direction.

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[From Italian loco, from Latin loc, ablative of locus, place.]

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loco¹

n

Informal short for locomotive

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loco²

adj

1. Slang chiefly US insane

2. (Life Sciences & Allied Applications / Veterinary Science) (of an animal) affected with loco disease

n pl -cos

(Life Sciences & Allied Applications / Plants) short for locoweed

vb (tr)

1. to poison with locoweed

2. US slang to make insane

[via Mexican Spanish from Spanish: crazy]

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loco³

adj

(Business / Commerce) denoting a price for goods, esp goods to be exported, that are in a place specified or known, the buyer being responsible for all transport charges from that place loco Bristol a loco price

[from Latin locō from a place]

Thesaurus

Adj.

1.

loco - informal or slang terms for mentally irregular; "it used to drive my husband balmy" bats, batty, bonkers, buggy, crackers, daft, dotty, haywire, kookie, kooky, loony, around the bend, balmy, nuts, round the bend, wacky, whacky, nutty, barmy, loopy, fruity, cracked insane - afflicted with or characteristic of mental derangement; "was declared insane"; "insane laughter"

Translations

loco¹

n (Rail inf) → Lok f (inf)

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loco²

adj (esp US inf) → bekloppt (inf); he’s gone loco → der spinnt (inf)