Forewarning Synonyms

An indication of impending danger or harm
(Noun)
Synonyms:
  1. foreboding
  2. threat
  3. premonition
  4. thundercloud
To notify (someone) of imminent danger or risk
(Verb)
Synonyms:
  1. alerting
  2. cautioning
  3. warning
  4. signalling
  5. portending
  6. notifying
  7. flagging
  8. admonishing
  9. alarming
  10. auguring
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To give warning signs of (impending peril)
(Verb)
Synonyms:
  1. threatening
  2. foreboding