Synonyms & Antonyms of signal
signal
1. (Noun) a sign, gesture or action that conveys information or a message
- The green traffic light is a signal for drivers to proceed.
Synonyms
gesture
sign
indication
cue
prompt
wave
posture
gesticulation
mime
indicator
pointer
symptom
hint
mark
note
suggestion
intimation
motion
action
2. (Verb) to convey information or a message using signs, gestures, or actions
- He signaled for her to stop with a wave of his hand.
Synonyms
gesture
sign
indicate
motion
wave
nod
beckon
gesticulate
express
display
show
announce
inform
3. (Adjective) remarkable or notable
- His promotion to a leadership role was a signal achievement in his career.
Synonyms
notable
remarkable
outstanding
exceptional
extraordinary
noteworthy
distinguished
striking
glaring
special
conspicuous
impressive
important
significant
momentous
memorable
unforgettable
considerable
eminent
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