threat (n.)
- admonishment
- admonition
- alarm
- cardhouse
- caution
- caveat
- commination
- crisis
- danger
- emergency
- endangerment
- example
- foreboding
- forewarning
- hazard
- hint
- intimation
- intimidation
- jeopardy
- lesson
- menace
- monition
- moral
- notice
- notification
- omen
- pass
- peril
- pinch
- plight
- portent
- predicament
- presage
- quicksand
- risk
- strait
- tip-off
- ultimatum
- warning