'danger sign' definitions:
Synonyms of 'danger sign'
From: Moby Thesaurus
- early symptom,
- falling barometer,
- gathering clouds,
- high sign,
- omen,
- precursor,
- preliminary sign,
- premonitory sign,
- premonitory symptom,
- prodroma,
- prodrome,
- quarantine flag,
- red flag,
- red light,
- skull and crossbones,
- storm petrel,
- stormy petrel,
- symptom,
- thundercloud,
- thunderhead,
- warning sign,
- warning signal,
- yellow flag,
- yellow jack