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.
What I’ve consistently found is that successful people are highly aware of both their strengths and their limitations.
From MarketWatch ● Jul. 25, 2026
These long-term research volunteers have contributed years of their time to help scientists define successful cognitive aging and identify new pathways that may promote resilience.
From Science Daily ● Jul. 25, 2026
In addition, defender Cedric Kipre and forward Chuba Akpom signed on a permanent basis following successful loans last season.
From BBC ● Jul. 25, 2026
"From a Western world perspective, we need everyone who's creating a CCA to be successful," Ferguson said.
From Barron's ● Jul. 24, 2026
He also retained the rights to all crew diaries, with the aim of publishing them at the end of a successful trip.
From "Shipwreck at the Bottom of the World" by Jennifer Armstrong
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.
