- present tense form of define (3rd person singular).
defines
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
One widely used approach defines microplastics as any fragment of plastic that is less than 5mm - about the width of a wedding band.
From BBC • Jun. 15, 2026
“That’s what defines community banking—a focus on accountability, local engagement, and meeting the needs of customers.”
From Barron's • Jun. 12, 2026
California state law defines a “law enforcement gang” as a group of officers “who engage in a pattern of on-duty behavior that intentionally violates the law or fundamental principles of professional policing.”
From Los Angeles Times • Jun. 4, 2026
Transportation construction spending, as the government defines it, refers to structures used for transportation, such as airport hangars, bus terminals, railroad tracks and marinas.
From MarketWatch • Jun. 2, 2026
Americans are so nutty about physical appearance and what defines beauty.
From "How Dare the Sun Rise" by Sandra Uwiringiyimana
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