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definitional

American  
[de-fuh-ni-shuhn-uhl] / ˌdɛ fəˈnɪ ʃən əl /

adjective

  1. serving as or relating to a definition.


Other Word Forms

  • definitionally adverb
  • non-definitional adjective
  • self-definitional adjective

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The definitional creep of what we now consider middle age—pushed back, perhaps, because of the increasing delay in starting families—means that it often overlaps with the territory of old age.

From The Wall Street Journal • Dec. 26, 2025

And because "weird" can mean so many different things, it baits those who feel attacked into dumb definitional debates.

From Salon • Aug. 2, 2024

“The goal here is to narrow these definitional issues and to present a united front to the Chinese.”

From Washington Post • May 1, 2023

The vote is in some ways definitional: What is the mission of a women’s college?

From New York Times • Mar. 14, 2023

Is our scientific technology so destitute of definitional accuracy that they cannot use half a dozen scientific terms without committing half that number of down-right scientific blunders?

From Life: Its True Genesis by Wright, R. W.