Definitions

successful

[suhk-ses-fuhl] / səkˈsɛs fəl /

ADJECTIVE

favorable, profitable

Synonyms

STRONGEST

fortunate fruitful happy lucky lucrative outstanding prosperous rewarding strong wealthy

WEAK

acknowledged advantageous ahead of the game at the top at top of ladder auspicious bestselling blooming blossoming booming champion crowned efficacious extraordinary flourishing fortuitous moneymaking notable noteworthy on track out in front paying rolling thriving top triumphant unbeaten undefeated victorious

Antonyms

STRONGEST

bad hopeless poor sad unfortunate unhappy unlucky unsuccessful

WEAK

forfeiting losing unfavorable unprofitable

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.

Successful efforts to curb inflation could pay off for home buyers in search of lower mortgage rates, said Lawrence Yun, chief economist at the National Association of Realtors.

From MarketWatch • Jun. 18, 2026

Successful trades regularly produce 100% or greater returns with limited risk.

From Barron's • May 13, 2026

Successful applicants would receive the £300 payment directly into their bank accounts, a spokesperson added.

From BBC • May 11, 2026

Successful bone repair depends on multiple types of cells moving into the implant first, then working together to build new tissue.

From Science Daily • Mar. 3, 2026

Day 185 Successful calibration images taken of Jupiter.

From "Cosmos" by Carl Sagan

Vocabulary lists containing successful

Power Suffix: -ful

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Talk Like Shakespeare Day, List 5

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"A Raisin in the Sun," "My Father is a Simple Man," and "My Mother Pieced Quilts"

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