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Definition of successful
successful
/səkˈsɛs.fəl/
suc · cess · ful
Adverb:successfully
successful Lexical Profile
CEFR
A2
Grade
3
Tier
1
Usage
Top 1k
Syllables
3
successful Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Accomplishing a desired aim, purpose, or favorable outcome.
Example
"The research team conducted a successful experiment that confirmed their initial hypothesis."
2
Having achieved significant popularity, financial profit, or high social status.
Example
"After years of dedication to her craft, she became a highly successful architect."
Synonyms
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Word Origin & Etymology
Formed in the late 16th century from the noun 'success' and the suffix '-ful'. 'Success' derives from Latin 'successus' ('an advance, a good result, happy outcome'), the noun form of 'succedere' ('to come close after, turn out well').
Cite this Entry
Wordmom. (2026). Definition of Successful. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/successful