Dangerous — Meaning, Definition & Synonyms

Dangerous (adjective) — Senses, Synonyms & Antonyms

1. involving potential loss or injury

   "the soldiers were specially selected to go on a dangerous mission behind enemy lines"

   similar: grave, grievous, hazardous, jeopardizing, menacing, parlous, perilous, risky, serious, threatening, unhealthy, unsafe, venturesome
   related: dicey, insecure, precarious, treacherous, uncertain, ultrahazardous, chance, haphazard, random, distressing, sickening, unpleasant, ugly, wicked, adverse, bad, baleful, baneful, deleterious, detrimental, evil, harmful, hurtful, ill, inimical, injurious, malignant, nasty, noxious, pernicious, pestilent, deadly, deathly, destructive, dire, fatal, fateful, fell, killer, lethal, mortal, murderous
   opposite: harmless, innocent, innocuous, nonhazardous, nonthreatening, safe, unthreatening
   near: advantageous, beneficial, good, ultrasafe

2. causing or capable of causing harm

   "the common knowledge that smoking is dangerous to one's health hasn't stopped some people"

   similar: adverse, bad, baleful, baneful, damaging, deleterious, detrimental, evil, harmful, hurtful, ill, injurious, mischievous, nocuous, noxious, pernicious, prejudicial, wicked
   related: hostile, inimical, unfriendly, contagious, deadly, infectious, infective, pestiferous, pestilent, pestilential, poisonous, venomous, insidious, menacing, ominous, sinister, threatening, hazardous, imperiling, jeopardizing, parlous, perilous, risky, unsafe, unsound, nasty, noisome, unhealthful, unhealthy, unwholesome, destructive, fatal, killer, lethal, malignant, ruinous
   opposite: anodyne, benign, harmless, hurtless, innocent, innocuous, inoffensive, safe
   near: advantageous, beneficial, useful, favorable, good, propitious, curative, healthful, healthy, helpful, palliative, remedial, salubrious, salutary, wholesome, secure, sound, benignant, noncorrosive, nondestructive, nonfatal, noninfectious, nonlethal, nonpoisonous, nonpolluting, nontoxic, nonvenomous