All nocuous synonyms
noc·u·ous
N n adjective nocuous
- dangerous — If something is dangerous, it is able or likely to hurt or harm you.
- damaging — causing or capable of causing damages; harmful; injurious.
- deadly — If something is deadly, it is likely or able to cause someone's death, or has already caused someone's death.
- harmful — causing or capable of causing harm; injurious: a harmful idea; a harmful habit.
- injurious — harmful, hurtful, or detrimental, as in effect: injurious eating habits.
- noxious — harmful or injurious to health or physical well-being: noxious fumes.
- malignant — disposed to cause harm, suffering, or distress deliberately; feeling or showing ill will or hatred.
- poisonous — full of or containing poison: poisonous air; a poisonous substance.