100 Other Words for “Dangerous”

No.	Term	Definition
1.	Accident-prone	Likely to cause mishaps.
2.	Adventurous	Willing to take risky actions.
3.	Adverse	Harmful; unfavorable to safety.
4.	Alarming	Causing fear of harm.
5.	Anarchic	Lawless; prone to violence.
6.	Arduous	Hard and potentially hazardous.
7.	Baleful	Threatening harm or evil.
8.	Baneful	Causing great harm.
9.	Barbarous	Brutally cruel; perilous.
10.	Beware-worthy	Meriting caution; unsafe.
11.	Booby-trapped	Rigged to injure intruders.
12.	Brink-of-disaster	Close to catastrophe.
13.	Calamitous	Likely to bring disaster.
14.	Cancerous	Invasive and destructive.
15.	Catastrophic	Causing sudden great damage.
16.	Combustible	Easily set on fire.
17.	Contagious	Likely to spread disease.
18.	Corrosive	Able to burn or erode.
19.	Critical	At a decisive, risky point.
20.	Cutthroat	Ruthlessly competitive; harmful.
21.	Damaging	Causing physical or moral harm.
22.	Deadly	Capable of causing death.
23.	Deleterious	Harmful to health or well-being.
24.	Demolishing	Causing ruin or destruction.
25.	Destructive	Causing serious damage.
26.	Dire	Extremely serious; urgent threat.
27.	Disastrous	Leading to great harm or failure.
28.	Disease-ridden	Full of illness; unsafe.
29.	Dreadful	Causing great fear or harm.
30.	Dubious	Questionably safe or reliable.
31.	Eerie	Strangely unsettling; ominous.
32.	Explosive	Likely to detonate or erupt.
33.	Exposed	Unprotected; vulnerable to harm.
34.	Extreme	Beyond safe limits.
35.	Fatal	Resulting in death.
36.	Fearsome	Inspiring fear; threatening.
37.	Fiendish	Cruelly wicked; harmful.
38.	Flammable	Catches fire easily.
39.	Foolhardy	Recklessly bold; unsafe.
40.	Foreboding	Suggesting impending harm.
41.	Formidable	Hard to overcome; menacing.
42.	Fraught	Filled with risk or trouble.
43.	Ghastly	Shockingly grim; frightening.
44.	Grave	Serious; potentially fatal.
45.	Grim	Gloomy and threatening.
46.	Hair-raising	Extremely frightening or risky.
47.	Hazard-laden	Full of dangers.
48.	Hazardous	Involving risk; unsafe.
49.	High-risk	Very likely to cause harm.
50.	Hostile	Unfriendly; likely to attack.
51.	Hot	Wanted by police; risky.
52.	Injurious	Likely to cause injury.
53.	Insecure	Not safe; easily compromised.
54.	Insidious	Harmful in a subtle way.
55.	Intemperate	Excessive; leading to harm.
56.	Jeopardous	Full of jeopardy; risky.
57.	Jittery	Unstable; prone to mishaps.
58.	Jolting	Suddenly disruptive; unsafe.
59.	Jury-rigged	Improvised and unreliable.
60.	Killer	Extremely harmful or lethal.
61.	Knotty	Complex and risk-prone.
62.	Knuckle-headed	Foolish and risk-taking.
63.	Lethal	Capable of killing.
64.	Life-threatening	Endangering life.
65.	Loaded	Armed; ready to fire.
66.	Lordly-wrathful	Severely punitive; menacing.
67.	Malevolent	Wishing harm to others.
68.	Malign	Evil in intent; harmful.
69.	Malignant	Severely harmful; deadly.
70.	Menacing	Threatening harm.
71.	Merciless	Showing no pity; brutal.
72.	Murderous	Likely to kill; bloodthirsty.
73.	Nefarious	Wicked and criminal.
74.	No-go	Too unsafe to enter.
75.	Ominous	Suggesting something bad ahead.
76.	Out-of-control	Not governed; likely to harm.
77.	Overheated	Too hot; may ignite or fail.
78.	Perilous	Full of danger.
79.	Poisonous	Toxic; able to kill.
80.	Precarious	Unstable; likely to fall.
81.	Predatory	Seeking victims; harmful.
82.	Prejudicial	Causing harm to interests.
83.	Pyrotechnic	Firework-like; explosive risk.
84.	Questionable	Not clearly safe.
85.	Razor-edged	Sharp and likely to cut.
86.	Reckless	Careless of consequences; risky.
87.	Risk-laden	Containing many risks.
88.	Risky	Likely to cause loss or harm.
89.	Ruinous	Causing severe damage.
90.	Sabotaged	Deliberately damaged; unsafe.
91.	Savage	Violent and brutal.
92.	Scalding	Hot enough to burn.
93.	Shaky	Unstable; likely to fail.
94.	Sketchy	Suspicious; not safe.
95.	Slippery	Likely to cause falls.
96.	Stab-worthy	Inviting violent retaliation.
97.	Stinging	Causing sharp pain or harm.
98.	Stormy	Turbulent; prone to trouble.
99.	Tenuous	Weak and easily broken.
100.	Threatening	Likely to cause harm.