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Added 9 October 2026

thinner

/ˈθɪnə(ɹ)/ adjective

adjective Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about thinner at Wordnik → Where our words come from →

comparative form of thin: more thin

noun

A liquid substance used to thin the consistency of another liquid.
Turpentine or mineral spirits can be used as a thinner for oil-based paints.
Something that thins or thins out (another thing).
Pomegranate juice and exercise are great natural blood thinners.

Origin

From thin + -er.

From Wiktionary, via Kaikki.org (CC BY-SA)

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