1. [ noun ] any communication that encodes a message
Synonyms: sign signaling

"signals from the boat suddenly stopped"

Related terms: communication symbol recording indication phone_number radio_beam input_signal indicator output_signal storm_signal dog-ear curfew whistle visual_signal time_signal retreat drumbeat telegraphic_signal animal_communication high_sign electronic_signal distress_signal alarm all_clear radio_beacon starting_signal ticktack bugle_call bespeak signalize sign bless signalize
2. [ verb ] communicate silently and non-verbally by signals or signs
Synonyms: sign signalise signalize

"He signed his disapproval with a dismissive hand gesture" "The diner signaled the waiters to bring the menu"

Related terms: communicate flag heliograph wigwag whistle semaphore signaler signer sign_language
3. [ verb ] be a signal for or a symptom of
Synonyms: indicate point bespeak betoken

"These symptoms indicate a serious illness" "Her behavior points to a severe neurosis" "The economic indicators signal that the euro is undervalued"

Related terms: tell mark bode indication indicator
4. [ noun ] any incitement to action

"he awaited the signal to start" "the victory was a signal for wild celebration"

Related terms: incitement
5. [ noun ] (physics,electricity) an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes
Related terms: electricity
6. [ adjective ] notably out of the ordinary

"the year saw one signal triumph for the Labour party"

Related terms: impressive
Similar spelling:   signally