bad sign
Unwelcome warning signal
A bad sign is an indication that something undesirable is likely to happen or is already happening.
It suggests trouble ahead based on current evidence: The engine making that noise is a bad sign.
Often used to interpret omens or early warnings: It's a bad sign when they won't return your calls.
Indicator of danger
- alarmUrgent warning signal
- alertWarning or watchfulness
- cautionCareful attention to risk
- signalMessage-conveying cue
indicator · notice · advisory · siren · beacon · heads-up · precaution · hazard
Sign of future calamity
- harbingerOne who foreshadows
- auguryOmen interpretation practice
- presageIndicate beforehand
- foreshadowingHinting at later events
forewarning · prophecy · ill omen · auspice · prognostication · oracle · divination · soothsaying
red flag
Indicator of danger
signal · indicator · notice · advisory · siren · beacon · heads-up · precaution · hazard · flare
portent
Sign of future calamity
foreshadowing · forewarning · prophecy · ill omen · auspice · prognostication · oracle · divination · soothsaying · prediction
premonition
Advance sense of future events
- dreadIntense anticipatory fear
- apprehensionNervous anticipation of trouble
- anxietyPersistent apprehensive distress
unease · trepidation · misgiving · suspicion · alarm · fear · worry · disquiet · chill · shiver
- red flagsred flags, caution, alarm, alert, beware
- superstitionblack cat, broken mirror, Friday the 13th, walking under ladder, evil eye
- omensomens, omen, portent, portents, signs
bad signgood news
Favorable information received
welcome sign · breath of fresh air · light at the end of the tunnel · vote of confidence · turning point
bad, sign, warning, badly, assign, signature, signed, signing, insignia