Synonyms of the word

unsafe

• adj. Not safe; dangerous.

breakneck

• adj. Dangerously fast; hell-for-leather.
• n. A fall that breaks the neck.
• n. A dangerous steep place from which one could fall.

chanceful

• adj. (obsolete) hazardous.

chancy

• adj. uncertain, risky, hazardous.
• adj. subject to chance; random.

dangerous

• adj. Full of danger.
• adj. Causing danger; ready to do harm or injury.
• adj. (colloquial, dated) In a condition of danger, as from illness; threatened with death.
• adj. (obsolete) Hard to suit; difficult to please.
• adj. (obsolete) Reserved; not affable.

desperate

• adj. Being filled with, or in a state of despair; hopeless.
• adj. Without regard to danger or safety; reckless; furious.
• adj. Beyond hope; causing despair; extremely perilous; irretrievable.
• adj. Extreme, in a bad sense; outrageous.
• adj. Extremely intense.
• adj. In need of something very much.

dicey

• adj. Fraught with danger.
• adj. Of uncertain, risky outcome.
• adj. Of doubtful or uncertain efficacy, provenance, etc.; dodgy.
• adj. (slang) Nauseating, rank.

dodgy

• adj. (Britain, Australia, New Zealand) evasive and shifty.
• adj. (Britain, Australia, New Zealand) unsound and unreliable.
• adj. dishonest.
• adj. risky.
• adj. deviant.
• adj. uncomfortable and weird.

embattled

• adj. Subject to or troubled by battles, controversy or debates.
• adj. Prepared or armed for battle.
• adj. Of a wall, fortress, etc., having battlements or crenellations.
• adj. (heraldry) Drawn with a line of alternating square indentations and extensions.
• v. simple past tense and past participle of embattle.

harmful

• adj. of a kind likely to be damaging; injurious.

hazardous

• adj. Risky, dangerous, with the nature of a hazard.
• adj. Exposing to loss or evil.
• adj. Of or involving chance.

insecure

• adj. Not secure.
• adj. Not comfortable or confident in oneself or in certain situations.

insidious

• adj. Producing harm in a stealthy, often gradual, manner.
• adj. Intending to entrap; alluring but harmful.
• adj. (nonstandard) Treacherous.

mordacious

• adj. Biting, causing a physical bite or sting; corrosive.
• adj. sharp or caustic in style or tone.
• adj. Prone to biting, aggressive (of an animal etc.).
• adj. Sharp in intent, sarcastic.

parlous

• adj. Attended with peril; dangerous; risky.
• adj. Dire, terrible, appalling.
• adj. (obsolete) Dangerously clever or cunning.
• adv. (archaic) Very, extremely.

perilous

• adj. Dangerous, full of peril.

precarious

• adj. (comparable) Dangerously insecure or unstable; perilous.
• adj. (law) Depending on the intention of another.
• adj. (dentistry) Relating to incipient caries.

risky

• adj. Dangerous, involving risks.

self-destructive

• adj. That causes injury to oneself or harm to one's interests.

shaky

• adj. Shaking or trembling.
• adj. Nervous; Anxious.
• adj. (of wood) Full of shakes or cracks; cracked.
• adj. Easily shaken; tottering; unsound.

suicidal

• adj. Pertaining to suicide.
• adj. (of a person) Likely to commit, or to attempt to commit, suicide.
• adj. (informal) Extremely reckless.
• n. someone suicidal, someone likely to kill themselves.

touch-and-go

• adj. Alternative form of touch and go.
• n. (aviation) A landing on a runway immediately followed by a takeoff without an intervening full stop.

treacherous

• adj. Exhibiting treachery.
• adj. Deceitful; inclined to betray.
• adj. Unreliable; dangerous.

unguaranteed

• adj. Not guaranteed; nonguaranteed.

unprotected

• adj. Not protected; lacking defense or protection; exposed.

unreliable

• adj. Not reliable.

unsafe

• adj. Not safe; dangerous.

unsecured

• adj. Not physically secured; not fastened; not attached.
• adj. Not made secure in any sense.
• adj. Of a loan or guarantee, without collateral.

vulnerable

• adj. More or most likely to be exposed to the chance of being attacked or harmed, either physically or emotionally.
• adj. (computing) More likely to be exposed to malicious programs or viruses.

wild

• adj. Untamed; not domesticated.
• adj. Unrestrained or uninhibited.
• adj. Raucous, unruly, or licentious.
• adj. Visibly and overtly anxious; frantic.
• adj. Disheveled, tangled, or untidy.
• adj. Enthusiastic.
• adj. Inaccurate.
• adj. Exposed to the wind and sea; unsheltered.
• adj. (nautical) Hard to steer; said of a vessel.
• adj. (mathematics, of a knot) Not capable of being represented as a finite closed polygonal chain.
• adv. Inaccurately; not on target.
• n. The undomesticated state of a wild animal.
• n. (chiefly in the plural) a wilderness.
• v. (intransitive, slang) To commit random acts of assault, robbery, and rape in an urban setting, especially…