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
6. (verb)bespeak, betoken, indicate, point, signal be a signal for or a symptom of Synonyms: predict, augur, foreshadow, taper, call for, prognosticate, place, suggest, betoken, show, head, guide, request, foretell, maneuver, auspicate, signalise, point, channelize, level, indicate, channelise, signal, sign, steer, quest, manoeuver, signalize, aim, designate, manoeuvre, portend, direct, bode, charge, luff, presage, repoint, argue, bespeak, target, orient, omen, forecast, sharpen, prefigure Antonyms: unimpressive
Synonyms, Thesaurus & Antonyms of 'signal'
English Synonyms and Antonyms
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 
