Definition of "tongue-twister" [tongue-twister]

• A phrase that is deliberately designed to be difficult to say correctly, usually because of varying combinations of similar phonemes. (noun)

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• "Could somebody throw me a link to, or just write, this little tongue-twister in Spanish?"
• "For this, we thank a long-ago line of Indian and Arabic forebears, whose tongue-twister names are familiar to mathematicians and few others."
• "Until its 1920 merger with Edinburgh, Leith was a separate municipal burgh of Scotland, with its own provost (mayor) and police force (thus the tongue-twister test asking the suspected drunk to say "the Leith police dismisseth us.")"