by definition

idiom

Definition of by definition

: because of what something or someone is : according to the definition of a word that is being used to describe someone or something A volunteer by definition is not paid. A glider is by definition an aircraft with no engine.

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“By definition.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/by%20definition. Accessed 17 Feb. 2020.

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