- 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
In a time when Korean culture dominates the pop sphere, this exhibition defines the highpoints of earlier Korean aesthetics for U.S. audiences otherwise underexposed to them.
From The Wall Street Journal • Jun. 6, 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
The river marks the Guatemalan border, just as the Rio Grande defines the Mexican border to the north.
From "Enrique's Journey" by Sonia Nazario
