1. (noun)signal, signaling, sign any nonverbal action or gesture that encodes a message Synonyms: augury, signaling, house, sign, foretoken, planetary house, signboard, signal, sign of the zodiac, preindication, mansion, mark, star sign, polarity Antonyms: unimpressive
2. (noun)signal any incitement to action Synonyms: sign, signaling Antonyms: unimpressive
3. (adj)signal an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes Synonyms: sign, signaling Antonyms: unimpressive
4. (verb)signal notably out of the ordinary Antonyms: unimpressive
5. (verb)sign, signal, signalize, signalise communicate silently and non-verbally by signals or signs Synonyms: sign, bespeak, indicate, point out, betoken, call attention, bless, signalize, subscribe, signalise, contract, sign on, distinguish, ratify, signal, point, sign up Antonyms: unimpressive
1. SIGNAL A sign (L. signum) is any distinctive mark by which a thing may be recognized or its presence known, and may be intentional or accidental, natural or artificial, suggestive, descriptive, or who Synonyms: sign, emblem, mark, presage, symbol, token, indication, note, prognostic, symptom, type, manifestation, omen, signal
Synonyms for SIGNAL 
