exclusion

noun

ex·​clu·​sion ik-ˈsklü-zhən 

1

: the act or an instance of excluding

2

: the state of being excluded

exclusionary

ik-ˈsklü-zhə-ˌner-ē 

adjective

Examples of exclusion in a Sentence

Recent Examples on the Web

In 2013 the agency issued a rule saying the exclusion should apply only when an orphan drug is actually used for the rare condition it was designated for. — John Mildenberger, STAT, 2 Oct. 2026

Malissa Tayaba, vice chair of the Shingle Springs tribe, said the bill was a modest step toward correcting the exclusion of tribes from decisions. — Ian James, Los Angeles Times, 1 Oct. 2026

Legislation to remove New York’s voluntary intoxication exclusion has been introduced annually for at least the past eight years without success. — Lauren Mascarenhas, CNN Money, 1 Oct. 2026

After a wave of criticism from Florida State's exclusion from the 2023 edition and administrators realizing that there was a massive reservoir of revenue available if the sport added playoff games, the sport moved to 12. — Ian Miller Outkick, FOXNews.com, 1 Oct. 2026

Word History

Etymology

Middle English, from Anglo-French, from Latin exclusion-, exclusio, from excludere

First Known Use

15th century, in the meaning defined at sense 1

Phrases Containing exclusion

• exclusion principle
• Pauli exclusion principle
• self-exclusion
• to the exclusion of

Rhymes for exclusion

• allusion
• collusion
• conclusion
• confusion
• contusion
• delusion
• diffusion
• effusion
• extrusion
• illusion
• inclusion
• infusion

Medical Definition

exclusion

noun

ex·​clu·​sion iks-ˈklü-zhən 

: surgical separation of part of an organ from the rest without excision

exclude

iks-ˈklüd 

transitive verb

excluded; excluding

Legal Definition

exclusion

noun

ex·​clu·​sion ik-ˈsklü-zhən 

1

: the act of excluding or state of being excluded

specifically : refusal of entry into the U.S. by immigration officials

review of deportation and exclusion orders

compare deportation

2

: something that excludes or is excluded: as

a

: a part of an insurance contract that excludes specified risks from coverage compare condition, declaration

b

: an amount that is excluded from tax liability compare credit, deduction, exemption

exclusionary

-zhə-ˌner-ē 

adjective