Share WhatsApp Facebook Twitter Pinterest Email Valid Definition: Something effective, legally binding or able to withstand objection. Synonyms: Binding, Defensible, Powerful, Efficacious, Cogent Antonyms: Invalid, Unconvincing, Unsound, Lame, Feeble 0 Related Posts Abandon – Definition, Synonyms and Antonym December 26, 2021 Abash – Definition, Synonyms and Antonym December 26, 2021 Abbreviate – Definition, Synonyms and Antonym December 26, 2021 Write A Comment Cancel Reply Save my name, email, and website in this browser for the next time I comment. Δ