1. Lack of knowledge or mental capacity; idiocy; foolishness 
2. An idiom; a form, mode of expression, or signification, peculiar to a language

Derived forms: idiotisms

• disproof
• disproportion
• disproportional
• disproportionate
• disproportionately
• disprovable
• disprove
• disprover
• disputable
• disputant
• disputation
• disputatious
• disputatiously
• disputative
• dispute
• disputed
• disputer
• disqualification
• disqualified
• disqualify
• disqualifying
• disquiet
• disquieted
• disquieting
• disquietingly