Thinner

//ˈθɪnɚ// adj, noun

adj, noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    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."

  2. 2
    a diluting agent wordnet
  3. 3
    Something that thins or thins out (another thing).

    "Pomegranate juice and exercise are great natural blood thinners."

Adjective
  1. 1
    comparative form of thin: more thin comparative, form-of

Synonyms

All synonyms
dilutantanticoagulantchromogencoatcoat of paintcoating

Antonyms

All antonyms
paint

Example

More examples

"The atmosphere becomes thinner as you climb higher."

Etymology

From thin + -er.

Related phrases

blood thinnerpaint thinner

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.