Showing results for more effective. Search instead for extremely effective.

more effective

ADJECTIVE

productive, persuasive

Synonyms

STRONGEST

active adequate compelling competent direct efficient forceful impressive potent powerful practical sufficient useful valid

STRONG

effectual efficacious

WEAK

able capable cogent convincing emphatic energetic forcible having lead in pencil live moving on the ball operative playing hardball powerhouse producing resultant serviceable serving sound striking telling trenchant virtuous wicked yielding

Antonyms

STRONGEST

helpless impotent inadequate incapable incompetent ineffective inefficient insufficient unable useless weak worthless

STRONG

unproductive unsuccessful

WEAK

fruitless inoperative

ADJECTIVE

in use at the time

Synonyms

STRONGEST

active direct dynamic

WEAK

actual current in effect in execution in force in operation operative real

Antonyms

STRONGEST

inactive

WEAK

fruitless impotent incapable ineffective inoperative unproductive useless weak

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.

“Peak dispersion is extremely effective at calling rotations out of mega caps into equal weights,” he writes.

From Barron's • Jun. 16, 2026

The measles vaccine, which typically comes with mumps and rubella vaccines as well, is extremely effective.

From Salon • Apr. 8, 2026

The NBA knows that it will need to do more than levy fines to dissuade tanking, for the simple reason that tanking is extremely effective.

From The Wall Street Journal • Mar. 1, 2026

Among California’s Democratic-heavy electorate, that message proved to be extremely effective.

From Los Angeles Times • Aug. 17, 2025

“Kiddo! That was not my intention at all. Even though it was extremely effective when you were small.”

From "I Can Make This Promise" by Christine Day