WordReference Random House Learner's Dictionary of American English © 2026
gain•say /ˈgeɪnˌseɪ, geɪnˈseɪ/USA pronunciation
v. [~ + object], -said/-ˌsɛd, -ˈsɛd/USA pronunciation -say•ing.
WordReference Random House Unabridged Dictionary of American English © 2026- to deny;
contradict.
gain•say
(gān′sā′, gān sā′),USA pronunciation v.t., -said, -say•ing.
gain′say′er, n.
- to deny, dispute, or contradict.
- to speak or act against;
oppose.
- Middle English gainsaien. See again, say1 1250–1300