All genius antonyms

noun genius

• ignorance — the state or fact of being ignorant; lack of knowledge, learning, information, etc.
• inability — lack of ability; lack of power, capacity, or means: his inability to make decisions.
• ineptitude — quality or condition of being inept.
• lack — something missing or needed: After he left, they really felt the lack.
• weakness — the state or quality of being weak; lack of strength, firmness, vigor, or the like; feebleness.
• incapacity — lack of ability, qualification, or strength; incapability.
• incompetence — the quality or condition of being incompetent; lack of ability.
• amateur — An amateur is someone who does something as a hobby and not as a job.
• idiot — Informal. an utterly foolish or senseless person: If you think you can wear that outfit to a job interview and get hired, you're an idiot!
• imbecile — Informal. a dunce; blockhead; dolt: Don't stand there like an imbecile. Open the door!.
• ineptness — without skill or aptitude for a particular task or assignment; maladroit: He is inept at mechanical tasks. She is inept at dealing with people.
• stupidity — the state, quality, or fact of being stupid.
• impotence — the condition or quality of being impotent; weakness.
• misunderstanding — failure to understand correctly; mistake as to meaning or intent.