Lingo is a way of speaking that's shared by a particular group of people — it's their own personal slang or jargon. You might observe International Talk Like a Pirate Day by trying to speak only pirate lingo.

Sometimes people refer to the language or dialect spoken in a place as its lingo: "I'd love to visit Paris, but I don't speak the lingo." You're more likely to hear lingo in the context of the words and phrases one group understands, but that outsiders might not, like computer lingo or English major lingo, or musician's lingo. Lingo shares a Latin root, lingua, or "tongue," with words like language and linguist.

Definitions of lingo

n a characteristic language of a particular group (as among thieves)

“they don't speak our lingo
argot, cant, jargon, patois, slang, vernacular
street name
slang for something (especially for an illegal drug)
rhyming slang
slang that replaces words with rhyming words or expressions and then typically omits the rhyming component
Type of:
non-standard speech
speech that differs from the usual accepted, easily recognizable speech of native adult members of a speech community

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