dangerous

Synonyms

adverse, bad, baleful, baneful, damaging, deleterious, detrimental, evil, harmful, hurtful, ill, injurious, mischievous, nocuous, noxious, pernicious, prejudicial, wicked;

Antonyms

benign, harmless, hurtless, innocent, innocuous, inoffensive, safe;

Near Antonyms

advantageous, beneficial, useful;

favorable, good, propitious;

curative, healthful, healthy, helpful, palliative, remedial, salubrious, salutary, wholesome;

secure, sound;

benignant;

Related Words

hostile, inimical, unfriendly;

contagious, deadly, infectious, infective, pestiferous, pestilent, pestilential, poisonous, venomous;

insidious, menacing, ominous, sinister, threatening;

hazardous, imperiling (or imperilling), jeopardizing, perilous, risky, unsafe, unsound;

nasty, noisome, unhealthful, unhealthy, unwholesome;

destructive, fatal, killer, lethal, malignant, ruinous;