adverse, bad, baleful, baneful, damaging, deleterious, destructive, detrimental, evil, malicious, malignant, menacing, mischievous, painful, unsafe
hurtful
adverse, bad, baleful, baneful, calamitous, cataclysmic, catastrophic, consumptive, corroding, corrupting, crippling, damaging, deleterious, destructive, detrimental, dire, disadvantageous, disastrous, evil, harassing, incendiary, inimical, internecine, malefic, malicious, malignant, menacing, mischievous, murderous, nocuous, noxious, painful, pernicious, pestiferous, pestilential, risky, ruinous, sinful, sinister, subversive, toxic, undermining, unhealthy, unsafe, unwholesome, virulent
harmful, deadly, toxic
detrimental, destructive, harmful, prejudicial
Poisonous, harmful, detrimental.
unfavorable, poisonous, unlucky, mischievous, malign, hurtful, harmful, injurious, evil, dishonest, corrupt, disastrous
Safety
They are synonyms.
Synonyms
atrocious, bad, corrupt, harmful, hateful, heinous, hideous, loathsome, malevolent, malicious, nefarious, unpleasant, villainous, wicked check thesaurus.com for more answers :)
Relative and kin are synonyms.
They are synonyms.
synonyms
Are there synonyms for washable