1. Vacuously or complacently and unconsciously foolish
   - fatuously

See also: inane

• imposture
• impotence
• impotency
• impotent
• impotently
• impound
• impounding
• impoundment
• impoverish
• impoverished
• impoverishment
• impracticability
• impracticable
• impracticableness
• impracticably
• impractical
• impracticality
• impramine hydrochloride
• imprecate
• imprecation
• imprecatory
• imprecise
• imprecisely
• impreciseness
• imprecision