by definition

idiom

: 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.

Examples of by definition in a Sentence

Recent Examples on the Web

Tax Advantages This is, by definition, the primary benefit of contributing to a 401(k). —True Tamplin, Forbes.com, 3 Sep. 2025

Whereas the value of all goods and services produced is equal to the gross domestic product (GDP), the gap between the aggregate spending (C+I+G) and GDP is by definition equal to the difference between exports and imports. —Eleanor Pringle, Fortune, 26 Aug. 2025

Artificial intelligence is, by definition, artificial. —CNN Money, 26 Aug. 2025

One of the saddest elements to all this is whether a summer of rancour and turmoil has, for Palace fans, taken the edge off the actual winning of the FA Cup, their first major trophy and thus, by definition, the greatest day in the club’s history. —Nick Miller, New York Times, 23 Aug. 2025

Rhymes for by definition

• academician
• cycloaddition
• decomposition
• diagnostician
• disinhibition
• indisposition
• interposition
• juxtaposition
• mathematician
• metacognition
• metaphysician
• neurotransmission