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sig·nal
 signal
- pronunciation:
- sIg
n
 l
- parts of speech:
- noun, adjective, transitive verb, intransitive verb
- features:
- Word Explorer
| part of speech: |
noun |
| definition 1: |
a gesture, action, or device used to give information, directions, or warning.
- synonyms:
- sign
- similar words:
- alarm, alert, beacon, gesture, indication, token, warning, word
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| definition 2: |
an understood gesture or other sign that is meant to initiate some action.
A raised flag was the signal to begin the race.- synonyms:
- cue, motion, sign
- similar words:
- token
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| definition 3: |
an electromagnetic or sound wave that is transmitted or received.
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| related words: |
beacon, caution, harbinger, herald, motion, password, warning, wave |
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| part of speech: |
adjective |
| definition 1: |
remarkable; notable.
a signal achievement- synonyms:
- notable, noteworthy, remarkable, standout
- similar words:
- distinguished, eminent, exceptional, noticeable, significant, singular, striking
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| definition 2: |
acting as a signal.
- similar words:
- directing, guiding, warning
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| related words: |
extraordinary, great, special |
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| part of speech: |
transitive verb |
| inflections: |
signaled, signaling, signals |
| definition 1: |
to direct a signal to.
- synonyms:
- sign
- similar words:
- beacon, beckon, motion, wave
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| definition 2: |
to express, direct, or announce with a signal.
The buzzer signaled the end of the game.- synonyms:
- indicate
- similar words:
- announce, beckon, buzz, mean, signify, sound, token
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| related words: |
alarm, caution, denote, distinguish, emblem, foretell, hail, harbinger, herald, nod, portend, proclaim, ring, sign |
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| part of speech: |
intransitive verb |
| definition: |
to communicate by making a signal or signals.
- synonyms:
- sign
- similar words:
- beckon, buzz, gesture, nod, radio, semaphore, wave
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| related words: |
beacon, hail, motion, point |
| derivation: |
signaler (n.) |
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