supplement
WordReference English Thesaurus © 2025
Sense: Verb: add to
Synonyms:
add to, boost, increase Collocations, augment, extend Collocations, enlarge Collocations, expand Collocations, complete Collocations, complement Collocations, make sth more complete, tag sth onto, append, annex Collocations, annexe
Sense: Verb: enhance or strengthen
Synonyms:
enhance Collocations, enrich Collocations, improve Collocations, fortify, reinforce Collocations, strengthen Collocations, support Collocations
Sense: Noun: addition
Synonyms:
addition Collocations, add-on, extra Collocations, appendage, accessory, additive, supplementation, added extra
Sense: Noun: part added to document
Synonyms:
appendix Collocations, addendum, codicil, annex Collocations, annexe , insert Collocations, postscript, enclosure Collocations