1. Without knowledge or intention
   "he unwittingly deleted the references"
   - inadvertently, unknowingly

See also: unwitting

Antonym: wittingly

• overfeed
• overfeeding
• overfill
• overfish
• overflight
• overflow
• overflow incontinence
• overflowing
• overfly
• overfond
• overfull
• overgarment
• overgeneralise
• overgeneralize
• overgenerous
• overglaze
• overgorge
• overgraze
• overgreedy
• overground
• overgrow
• overgrown
• overgrowth
• overhand
• overhand knot