All beneficial antonyms

adj beneficial

• disadvantageous — characterized by or involving disadvantage; unfavorable; detrimental.
• useless — of no use; not serving the purpose or any purpose; unavailing or futile: It is useless to reason with him.
• worthless — without worth; of no use, importance, or value; good-for-nothing: a worthless person; a worthless contract.
• harmful — causing or capable of causing harm; injurious: a harmful idea; a harmful habit.
• hurtful — causing hurt or injury; injurious; harmful.
• injurious — harmful, hurtful, or detrimental, as in effect: injurious eating habits.
• unfortunate — suffering from bad luck: an unfortunate person.
• bad — If you say that it is bad that something happens, you mean it is unacceptable, unfortunate, or wrong.
• disagreeable — contrary to one's taste or liking; unpleasant; offensive; repugnant.
• unhelpful — giving or rendering aid or assistance; of service: Your comments were very helpful.
• hurting — to cause bodily injury to; injure: He was badly hurt in the accident.
• unrewarding — affording satisfaction, valuable experience, or the like; worthwhile.