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

This assumption that anything mundane and familiar, by definition, cannot be quantum also shows up in Scientific American coverage. —Jacklin Kwan, Scientific American, 29 Aug. 2025

Anything before that second knowledge revolution is by definition prehistoric. —Philip Maymin, Forbes.com, 28 Aug. 2025

Backing Collins would mean DeSantis is hanging his legacy on what is by definition a longshot: Collins would have to become the first lieutenant governor in recent memory to go on and win the governor’s seat. —Alexandra Glorioso, Miami Herald, 27 Aug. 2025

Action cameras, by definition, are small enough to mount to a helmet, on a surfboard, and squeeze into a tiny space. —PC Magazine, 21 Aug. 2025

Rhymes for by definition

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