signal
adjective
1. standing above others in rank, importance, or achievement.
- the year saw one signal triumph for the Labour party
Similar word(s): impressive
Sentences with signal as an adjective:
- a signal exploit; a signal service; a signal act of benevolence
noun
1. any nonverbal action or gesture that encodes a message
- signals from the boat suddenly stopped
Similar word(s): sign, signaling
Definition categories: communication
2. any incitement to action
- he awaited the signal to start
- the victory was a signal for wild celebration
Definition categories: motive, incitation, incitement, provocation
3. an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes
Definition categories: phenomenon, electricity, power
Sentences with signal as a noun:
- My mobile phone can't get a signal in the railway station.
verb
1. communicate silently and non-verbally by signals or signs
- The diner signaled the waiters to bring the menu
Similar word(s): sign, signalise, signalize
Definition categories: communication, communicate, intercommunicate
2. be a signal for or a symptom of
- The economic indicators signal that the euro is undervalued
Similar word(s): bespeak, betoken, indicate, point
Definition categories: communication, tell