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Synonyms and Antonyms of unsafe

  1. 1 involving potential loss or injury <workers are forbidden from engaging in unsafe activities on company time> Synonyms grave, grievous, hazardous, jeopardizing, menacing, parlous, perilous, risky, serious, threatening, unhealthy, dangerous, venturesomeRelated Words 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, murderousNear Antonyms advantageous, beneficial, good; ultrasafeAntonyms harmless, innocent, innocuous, nonhazardous, nonthreatening, safe, unthreatening

  2. 2 not paying or showing close attention especially for the purpose of avoiding trouble <people who have a record of being unsafe drivers usually have to pay higher insurance premiums> Synonyms heedless, incautious, mindless, unguarded, careless, unwaryRelated Words bold, impetuous, rash, reckless; inattentive, regardless; blithe, inconsiderate, thoughtless; absentminded, forgetful, unmindful; lax, neglectful, negligent, remiss, slipshod; imprudent, indiscreet, injudicious; inadvertent, unintentional, unplannedNear Antonyms attentive, chary, observant, vigilant, watchful; foresighted, forethoughtful, provident; calculating, scheming, shrewd; considerate, thoughtful; ultracareful, ultracautiousAntonyms alert, cautious, circumspect, gingerly, guarded, heedful, safe, wary

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tending to vanish like vapor

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