dictionary and thesaurus

[ dik-shuh-ner-ee uhn thi-sawr-uhs ]

noun

, plural dic·tion·ar·y and the·sau·rus·es, dic·tion·ar·y and the·sau·ri [thi-, sawr, -ahy].

1. a dictionary in which the definitions are followed by an extensive complement of synonyms and antonyms.

Word History and Origins

Origin of dictionary and thesaurus¹

First recorded in 1890–95