useful
adjective
being of use or service; serving some purpose; advantageous, helpful, or of good effect.
usefulness
-
a word derived from
useful.
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.
Federal Reserve governor Christopher Waller has questioned the usefulness of the task forces and Warsh’s quiet approach.
From The Wall Street Journal ● Jul. 28, 2026
A person familiar with the school’s thinking but not authorized to speak publicly told The Times that the school plans to argue the field had outlived its usefulness.
From Los Angeles Times ● Jul. 23, 2026
While many coaches at the World Cup have, like Tuchel, seen the usefulness of the breaks, even if they still don't like the idea of them, fans remain unconvinced.
From BBC ● Jul. 1, 2026
Despite its usefulness, UV light represents only about 6% of the sunlight that reaches Earth's surface.
From Science Daily ● Jun. 26, 2026
The episode began with a prickly remark by Columbia’s Harold Urey, a chemist who maintained a lively skepticism about the cyclotron’s usefulness.
From "Big Science" by Michael Hiltzik
