Word parts compliment + -ary Pronunciation (UK) IPA (key): /ˌkɒmplɪ̈ˈmɛnt(ə)ri/ (US) enPR: kŏm'plĭ-mĕnʹtə-rē or -trē, IPA (key): /ˌkɑmplɪ̈ˈmɛnt(ə)ri/ Audio (US)(file) Hyphenation: com‧pli‧men‧ta‧ry Homophone: complementary Adjective Positive complimentary Comparative more complimentary Superlative most complimentary If something is complimentary, it is said to praise or approve someone. If something is complimentary, it is given without any cost. Synonym: freeWikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads