Thesaurus.com
Dictionary.com
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.

Iacocca’s turnaround worked, bolstered by the launch of a successful minivan line under sister brands Dodge and Plymouth.

From The Wall Street Journal • Apr. 4, 2026

After successful races, there’s fierce competition for staff positions.

From MarketWatch • Apr. 3, 2026

Along with making fun, relatable music, Cissé deals with the huge undertaking of building a successful pop identity as a Black girl in a white-girl-dominated realm.

From Los Angeles Times • Apr. 3, 2026

A successful SpaceX offering could open the floodgates for other IPOs.

From Barron's • Apr. 3, 2026

Though it had been difficult, and despite long odds and months spent apart, Mamá and Daddy’s vision for our family was successful.

From "Reaching for the Moon" by Katherine Johnson

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.