- 1 [uncountable] exclusion (of somebody/something) (from something) the act of preventing someone or something from entering a place or taking part in something He was disappointed with his exclusion from the squad. Exclusion of air creates a vacuum in the bottle. Memories of the past filled her mind to the exclusion of all else.
- 2[countable] a person or thing that is not included in something Check the list of exclusions in the insurance policy.
- 3[uncountable] exclusion (of something) the act of deciding that something is not possible the exclusion of robbery as a motive opposite inclusion
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