noun
- plural of thesaurus; reference books containing lists of words grouped by similar meanings
Usage: formal plural form
Examples
- The library’s reference section contains several thesauri for student use.
- Writers often consult thesauri to find more precise vocabulary.
- Digital thesauri have largely replaced printed versions.
- The professor recommended using multiple thesauri for the research project.
- These thesauri organize words by concept rather than alphabetically.
- Online thesauri provide instant access to synonyms and antonyms.