thesaurus

Pronunciation

• IPA ^(key): /θɪˈsɔːrəs/

• Audio (UK)

  (file)

Noun

Singular thesaurus

Plural thesauruses or thesauri

1. (countable) A thesaurus is a book which lists synonyms (different words which have the same meaning).

   A thesaurus usually groups together synonymous words such as schadenfreude and epicaricacy together under a single heading.