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.

If successful, the technology could help small satellites venture far beyond Earth orbit.

From Science Daily • Jun. 10, 2026

“Without the tanker support, we probably wouldn’t have been as successful as we were,” Singer said.

From Los Angeles Times • Jun. 10, 2026

But he maintains that a successful debut will create excitement in the market following its IPO, creating a boon for other stocks.

From MarketWatch • Jun. 10, 2026

If the US are successful, perhaps there can be a nod to Caersws where former Bangor City and Aberystwyth Town player Phil Woosnam was born.

From BBC • Jun. 10, 2026

News of the successful trade reached the White House a little before 3:00 a.m., local time.

From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin

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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