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 individuals rolled a small ball beneath the flower and then climbed onto it, a sequence of actions they had never been trained to perform.

From Science Daily • Jul. 3, 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 testing could win them a potentially lucrative role developing the Golden Dome.

From MarketWatch • Mar. 25, 2026

Day 185 Successful calibration images taken of Jupiter.

From "Cosmos" by Carl Sagan

Vocabulary lists containing successful

Power Suffix: -ful

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Talk Like Shakespeare Day, List 5

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

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

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!