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ENGLISH THESAURUS & DICTIONARY

signal

adjective · noun · verb

Words like signal

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MEANING & USAGE

Definitions & examples

01adjective

notably out of the ordinary

“the year saw one signal triumph for the Labour party”

02noun

any nonverbal action or gesture that encodes a message

“signals from the boat suddenly stopped”

03noun

any incitement to action

“he awaited the signal to start”

“the victory was a signal for wild celebration”

04noun

an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes

2 more meanings

05verb

communicate silently and non-verbally by signals or signs

“He signed his disapproval with a dismissive hand gesture”

“The diner signaled the waiters to bring the menu”

06verb

be a signal for or a symptom of

“These symptoms indicate a serious illness”

“Her behavior points to a severe neurosis”

Meanings and examples from Open English WordNet 2025. About our sources ↗

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Expressions with “signal”

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Explore multiword dictionary entries containing this word. Each has its own meanings and related words.

signal box flag signal signal fire signal flag time signal turn signal input signal radio signal