vouchsafe Get Printable Handwriting (vouch-safe) 2 syllables Learn It! Spelling Test Definition verb. 1 to grant or furnish often in a gracious or condescending manner; to give by way of reply 2 to grant as a privilege or special favor Example Sentence She will vouchsafe a reply to the question. Synonyms permit; grant; allow Antonyms refuse Share with your friends: