Find Antonyms

successfully Antonyms

Opposite of successfully

Pinning down the opposite of successfully requires matching its exact sense, so the antonyms and opposite words below are paired with a clear adverb definition and ranked by contrast strength.
JUMP TO:

• adverb (Context 1)

In a way that accomplishes a desired aim, purpose, or favorable outcome.

Usage Example

"The engineering team unsuccessfully launched the satellite into orbit after months of preparation."

Strongest
unsuccessfully
in vain
fruitlessly
Strong
ineffectively
futilely
disastrously
poorly

Similar words to successfully

Words similar to successfully shift depending on context. Common synonyms include:

effectively
triumphantly
victoriously
fruitfully
productively
favorably
prosperously
well
See all synonyms of successfully

• Nearby Words

succeeder
success
successful
successfully
successfulness
succession
successive

Cite this Entry

Wordmom. (2026). Antonyms for Successfully. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/successfully
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.