1. Totally unlikely
   - impossible, inconceivable, out of the question

See also: unimaginably, unthinkable

• disabling
• disabuse
• disabused
• disaccharidase
• disaccharide
• disaccord
• disaccustom
• disadvantage
• disadvantaged
• disadvantageous
• disadvantageously
• disaffect
• disaffected
• disaffection
• disaffiliate
• disaffiliation
• disaffirm
• disaffirmation
• disafforest
• disaggregate
• disaggregation
• disagree
• disagree with
• disagreeable
• disagreeable person