by definition

phrase

: 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

Frontier models, almost by definition, can maintain their lead even if other runners flood the course. — Reed Albergotti, semafor.com, 22 July 2026

By that standard, virtually every use of force short of total conquest will be unsuccessful by definition. — David A. Deptula, Forbes.com, 22 July 2026

Punishment should be reserved for the guilty, not the sick, and postpartum psychosis, by definition, impairs a mother’s ability to process reality. — Uruj Kamal Haider, Time, 21 July 2026

Student debt is incurred by the riskiest category of borrower since, by definition, it is incurred by those with few, if any, assets or little or no income. — Chicago Tribune, 18 July 2026

Rhymes for by definition

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