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Definition of improbably
improbably
/ɪmˈprɑː.bə.bli/
im · prob · a · bly
Adjective:improbable
improbably Lexical Profile
CEFR
B2
Grade
8
Tier
2
Usage
Top 10k
Syllables
4
improbably Game Scores & Validity
Scrabble US
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WWF
Wordle Guess
• adverb
1
In a manner that is unlikely to be true or to happen; against expectations.
Example
"Improbably, the amateur golfer defeated three former champions to win the tournament."
2
To an extent that seems hard to believe; remarkably or extraordinarily.
Example
"The ancient castle perched on an improbably steep cliff overlooking the sea."
Synonyms
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View all antonyms for improbably• Rhymes for improbably
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Word Origin & Etymology
Formed in the 16th century from the adjective 'improbable' plus the adverbial suffix '-ly', tracing back to Latin 'improbabilis', meaning 'not deserving of approval' or 'unlikely'.
Cite this Entry
Wordmom. (2026). Definition of Improbably. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/improbably