1. Without knowledge or intention
   - unwittingly, inadvertently

Antonym: knowingly

• disinclined
• disinfect
• disinfectant
• disinfection
• disinfest
• disinfestation
• disinfestation officer
• disinflation
• disinform
• disinformation
• disingenuous
• disingenuously
• disingenuousness
• disinherit
• disinheritance
• disinherited
• disinhibition
• disintegrable
• disintegrate
• disintegration
• disintegrative
• disintegrator
• disinter
• disinterest
• disinterested