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be effective

VERB
work out
Synonyms
STRONGEST
accomplish achieve arrange come out complete develop devise figure out fix form formulate handle happen resolve win
WEAK
attain bring off clear come to terms compromise construct contrive elaborate evolve find out finish get something done go go well manipulate pan out plan prosper pull off put together reach agreement result succeed swing turn out up
Antonyms
STRONGEST
break destroy disarrange disorganize disturb fail forget give up halt ignore lose neglect stop

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.

“Though the center claimed to be effective in fighting extremism, ‘hate’ always continued to be on the rise, more dangerous than ever, with each year’s report on hate groups,” Mr. Moser wrote.

From The Wall Street Journal • Apr. 30, 2026

Other rescue strategies, like moving the animals elsewhere or fencing them off from predators, are unfeasible or unlikely to be effective at saving the caribou.

From Slate • Apr. 28, 2026

This raises the possibility that treatments targeting immune responses, such as immune-modulating drugs, could be effective for some patients.

From Science Daily • Apr. 25, 2026

They can be effective at either end of the pitch.

From BBC • Mar. 27, 2026

Savery’s engine, and Papin’s second engine, needed to build up a high pressure in order to be effective but, in practice, boilers and cylinders could not be made that withstood such pressure.

From "The Invention of Science" by David Wootton