Find Antonyms

definitely Antonyms

Opposite of definitely

Because the opposite of definitely shifts with each meaning, the 14 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• adverb (Context 1)

Without doubt; certainly; used to emphasize the truth or certainty of a statement.

Usage Example

"The team has doubtfully improved since the beginning of the season."

Strongest
doubtfully
questionably
Strong
dubiously
uncertainly
possibly
perhaps
maybe

• adverb (Context 2)

In a definite, exact, or clearly defined manner; with precise limits or details.

Usage Example

"The terms of the contract have not yet been indefinitely decided by the board."

Strongest
indefinitely
vaguely
ambiguously
Strong
imprecisely
indistinctly
tentatively
loosely

Similar words to definitely

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

certainly
undoubtedly
unquestionably
absolutely
explicitly
specifically
precisely
positively
See all synonyms of definitely

• Nearby Words

define
defining
definite
definitely
definiteness
definition
definitional

Cite this Entry

Wordmom. (2026). Antonyms for Definitely. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/definitely
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