loco

adverb or adjective
lo·​co | \ ˈlō-(ˌ)kō How to pronounce loco (audio) \

Definition of loco

 (Entry 1 of 4)

: in the register as written used as a direction in music

loco

noun
plural locos or locoes

Definition of loco (Entry 2 of 4)

1 : locoweed
2 : locoism

loco

verb
locoed; locoing; locos

Definition of loco (Entry 3 of 4)

transitive verb

1 : to poison with locoweed
2 : to make frenzied or crazy

loco

adjective

Definition of loco (Entry 4 of 4)

slang
: mentally disordered : crazy, frenzied

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Examples of loco in a Sentence

Verb years of living alone had clearly locoed the old rancher Adjective The crowd went loco when she walked out on the stage. He's not just weird, he's positively loco.
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Recent Examples on the Web: Noun While the plantations eventually closed, the plate lunch endured, moving to food carts and later stand-alone restaurants, which also expanded the cultural fusion with items like loco moco, the ultimate Hawaiian comfort food. The Salt Lake Tribune, 15 Jan. 2021 And Alvarado would give away fideo loco to keep people grooving. Mike Sutter, ExpressNews.com, 17 Dec. 2020 Island Style Cafe, which recently closed, made my favorite loco moco here. Abby Hamblin, San Diego Union-Tribune, 3 Nov. 2020 At Agave Azul, the beloved, cheesy enchilada plate is there, and so is a belly-filling bowl of fideo loco. Paul Stephen, San Antonio Express-News, 29 Oct. 2020 Trousers with enough give for the conga, for going loco in Acapulco. Raven Smith, Vogue, 22 Oct. 2020 The company also offers spam and teriyaki versions of loco moco. Laura Latzko, azcentral, 10 Mar. 2020 Mom’s fideo loco, Paula’s chicken pot pie, Addie’s rum coffee. Paul Stephen, ExpressNews.com, 24 Dec. 2019 If your little one goes loco for locomotives, then this annual event is as good as Christmas. Web Behrens, chicagotribune.com, 7 July 2019 Recent Examples on the Web: Adjective Real investors survey the landscape and look for signs of a market gone loco. Andy Kessler, WSJ, 2 July 2017 As one of my colleagues said, this was straight loco. Ryu Spaeth, New Republic, 28 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'loco.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of loco

Adverb or adjective

1786, in the meaning defined above

Noun

1844, in the meaning defined at sense 1

Verb

1884, in the meaning defined at sense 1

Adjective

1852, in the meaning defined above

History and Etymology for loco

Adverb or adjective

Italian dialect, there, from Latin in loco in the place

Noun

Mexican Spanish, from Spanish, crazy

Adjective

Spanish

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Cite this Entry

“Loco.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/loco. Accessed 13 Jun. 2021.

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More Definitions for loco

loco

noun
lo·​co | \ ˈlō-(ˌ)kō How to pronounce loco (audio) \
plural locos or locoes

Medical Definition of loco

 (Entry 1 of 2)

1 : locoweed
2 : locoism

Medical Definition of loco (Entry 2 of 2)

: to poison with locoweed

More from Merriam-Webster on loco

Thesaurus: All synonyms and antonyms for loco

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