nay-say verb 2noun 1forms 4 verb2 •To refuse, deny, or oppose someone or something. •To speak negatively of something. noun1 •(old-fashioned) A refusal, denial, or negation."That," replied Miss Lucy, "depends entirely on the manner in which the nay-says are said." — 1816 formsnay-said · nay-saying · naysaying · nay-says