effective
Usage
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.
Food and Drug Administration issued an emergency use authorization for several insecticides known to be effective against screwworm.
From Los Angeles Times • Jun. 6, 2026
But new research from Stanford Medicine and international collaborators suggests these widely prescribed drugs may be less effective for some patients because of their genetics.
From Science Daily • Jun. 5, 2026
The quarterly changes announced on Friday are effective at the market open on Monday, June 22.
From MarketWatch • Jun. 5, 2026
Meanwhile, Duncan was becoming an effective, self-taught lobbyist at the state capitol.
From The Wall Street Journal • Jun. 5, 2026
Blacks in Atlanta waged an effective boycott of Jim Crow trolley cars in 1894, and in the next decade, boycotts spread to over a dozen Southern cities, including Houston and Mobile.
From "The Best of Enemies" by Osha Gray Davidson
Vocabulary lists containing effective
"Diary of a Wimpy Kid" by Jeff Kinney
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Hatchet
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STAAR English I: The Language of the Test 1
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