inconceivable

The definition of inconceivable is something that cannot be imagined or understood.

(adjective)

The idea that two die-hard enemies who will never ever make up could suddenly become best friends is an example of something that is inconceivable.

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See inconceivable in Webster's New World College Dictionary

adjective

that cannot be conceived; that cannot be thought of, understood, imagined, or believed

See inconceivable in American Heritage Dictionary 4

adjective
  1. Impossible to comprehend or grasp fully: inconceivable folly; an inconceivable disaster.
  2. So unlikely or surprising as to have been thought impossible; unbelievable: an inconceivable victory against all odds.

Related Forms:

  • inˌcon·ceivˌa·bilˈi·ty, inˌcon·ceivˈa·ble·ness noun
  • inˌcon·ceivˈa·bly adverb

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