adjective
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having succeeded in one's endeavours
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marked by a favourable outcome
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having obtained fame, wealth, etc
Usage
Spelling tips for successful The word successful is hard to spell because it can be hard to know which letters are doubled. Both the c and the middle s are doubled, but the f and l are not. How to spell successful: To be a success, you need to see (two Cs) Some Smarts (two Ss). This reminds you that success is spelled with a double C in the middle and a double S at the end. To spell successful, you add the base word (success) to the suffix -ful.
Other Word Forms
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half-successfulnessnoun
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successfulnessnoun
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half-successfuladjective
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nonsuccessfuladjective
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presuccessfuladjective
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quasi-successfuladjective
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semisuccessfuladjective
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half-successfullyadverb
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nonsuccessfullyadverb
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presuccessfullyadverb
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quasi-successfullyadverb
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semisuccessfullyadverb
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successfullyadverb
Etymology
Origin of successful
Explanation
If you win or do well, at whatever it is you do, you are successful. Successful people usually get more money, attention, and praise. If you go into business and make a lot of money, you're successful. If you play tennis and finish the season with more wins than losses, you've been successful. If you have a successful pregnancy, you give birth to a healthy baby. Successful is one of those words that covers a great deal of ground; it generally applies to anything, anyone or any venture that ends well. When you see the word successful, think "Winning!"
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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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.
No, Arte, thank you for finally selling the Angels to someone with a remarkable history of building successful teams.
From Los Angeles Times ● Sep. 5, 2026
Even for a former lawyer, writing a successful Supreme Court petition was no easy task from behind bars.
From The Wall Street Journal ● Sep. 5, 2026
But, buoyed by Friday's successful rescue, the team is now hopeful it will reach more survivors in time.
From BBC ● Sep. 4, 2026
"The areas to be targeted have been identified. The timing will be chosen to ensure a successful outcome," Zelensky said on Telegram.
From Barron's ● Sep. 4, 2026
It seemed as if all of America was watching the show, and successful contestants were becoming celebrities in their own right.
From "Endgame" by Frank Brady
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
