dangerous
Likely causing injury
Dangerous describes something that poses a threat of harm, injury, or damage.
A dangerous animal might attack.
A dangerous intersection has frequent accidents.
A dangerous idea threatens established order.
The word can suggest excitement alongside risk: He has a dangerous charm.
To live dangerously is to court risk, sometimes admiringly.
Capable of causing harm
- poisonousCapable of causing death
- venomousProducing injected toxins
- injuriousCausing physical harm
- noxiousHarmful, especially when inhaled
detrimental · damaging · corrosive · lethal · fatal · virulent · destructive · contaminated
Steep rock face
- brinkCritical boundary point
- abyssImmeasurably profound depth
- cliffVertical rock wall
- jeopardyRisk of harm
treacherous · quicksand · maelstrom · whirlpool · landslide · avalanche · tsunami · earthquake
Expressing intent to harm
- sinisterThreateningly suggestive of harm
- menacingConveying threat or danger
- forebodingFearful anticipation of harm
- ominousSuggesting something bad approaches
grim · unsettling · eerie · chilling · dreadful · baleful · brooding · shadowy
Stake on uncertain outcome
- speculativeBased on conjecture
- uncertainNot firmly known
- diceyUncertain and hazardous
- precariousDangerously insecure
volatile · unpredictable · chancy · touch-and-go · unstable · high-stakes · liability · odds
Emergency response hormone
- excitementState of eager enthusiasm
- thrillSurge of intense excitement
- extremeFurthest from moderate
- skydivingRecreational freefall from aircraft
bungee · surfing · motocross · whitewater · rafting · climbing · parachuting · speed
toxic
Capable of causing harm
noxious · detrimental · damaging · corrosive · lethal · fatal · virulent · destructive · contaminated · unsafe
precipice
Steep rock face
jeopardy · treacherous · quicksand · maelstrom · whirlpool · landslide · avalanche · tsunami · earthquake · volcano
threatening
Expressing intent to harm
- sinisterThreateningly suggestive of harm
- menacingConveying threat or danger
- forebodingFearful anticipation of harm
ominous · grim · unsettling · eerie · chilling · dreadful · baleful · brooding · shadowy · predatory
gamble
Stake on uncertain outcome
- speculativeBased on conjecture
- uncertainNot firmly known
- diceyUncertain and hazardous
precarious · volatile · unpredictable · chancy · touch-and-go · unstable · high-stakes · liability · odds · bet
adrenaline
Emergency response hormone
- excitementState of eager enthusiasm
- thrillSurge of intense excitement
- extremeFurthest from moderate
skydiving · bungee · surfing · motocross · whitewater · rafting · climbing · parachuting · speed · racing
caution
Careful attention to risk
precaution · advisory · red flag · siren · beware · vigilance · hazard · skull-and-crossbones · signage · restricted
- adjectivesbig, urgent, amazing, temporary, bold
- safety labelssafe, unsafe, hazardous, toxic, flammable
- Safety Termssafe, unsafe, hazardous, risky, protected
- toxicity levelstoxic, nontoxic, lethal, safe, hazardous
- criminal traitsconvicted, guilty, accused, arrested, wanted
- temperaturehot, cold, warm, cool, freezing
dangeroussafe
Free from peril
harmless · secure · risk-free · innocuous · nonthreatening
dangerousbeneficial
Producing good results
helpful · advantageous · good · useful · propitious
- armed and dangerousPossessing weapons, prone to violence
- dangerous womanFemale who poses risk
- live dangerouslyPursue risky behavior habitually
- dangerous groundArea inviting harm
- living dangerouslyEmbracing hazardous choices
- dangerous animalsFauna capable of harm