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
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Our flag is, by definition, a contradiction.
—
Baltimore Sun Staff, Baltimore Sun, 11 Feb. 2026
Anything the 79-year-old designer co-signs is, by definition, the cream of the crop, as is the case with Natura Bissé’s Diamond Cocoon Sheer Cream.
—Tamim Alnuweiri, InStyle, 8 Feb. 2026
And by definition, even by the meters and by the measuring of the industry, that was never considered an in game spot.
—Ben Smith, semafor.com, 6 Feb. 2026
Why a Programmable Thermostat Is Worth It Programmable thermostats are generally worth it, the pros say, because the interfaces are easier to use than ever, and by definition, they're tailored to your schedule.
—Lee Wallender, The Spruce, 5 Feb. 2026
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Baltimore Sun Staff, Baltimore Sun, 11 Feb. 2026
Anything the 79-year-old designer co-signs is, by definition, the cream of the crop, as is the case with Natura Bissé’s Diamond Cocoon Sheer Cream.
—Tamim Alnuweiri, InStyle, 8 Feb. 2026
And by definition, even by the meters and by the measuring of the industry, that was never considered an in game spot.
—Ben Smith, semafor.com, 6 Feb. 2026
Why a Programmable Thermostat Is Worth It Programmable thermostats are generally worth it, the pros say, because the interfaces are easier to use than ever, and by definition, they're tailored to your schedule.
—Lee Wallender, The Spruce, 5 Feb. 2026
See All Example Sentences for by definition
Cite this Entry
“By definition.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/by%20definition. Accessed 14 Feb. 2026.
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