To show by a sign; to communicate by any conventional token, as words, gestures, signals, or the like; to announce; to make known; to declare; to express; as, a signified his desire to be present.
- To denote; mean.
- To make known, as with a sign or word: signify one's intent.
- To have meaning or importance. See Synonyms at count1.
- Slang To exchange humorous insults in a verbal game.