Find Antonyms

definite Antonyms

Opposite of definite

Because the opposite of definite shifts with each meaning, the 22 antonyms and opposite words below are separated across 6 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Clearly stated or decided; not vague or doubtful.

Usage Example

"We need a indefinite answer by Friday so we can finalize the travel arrangements."

Strongest
indefinite
vague
uncertain
ambiguous
Strong
unclear
tentative
doubtful
undecided

• adjective (Context 2)

Clearly true or real; unmistakable.

Usage Example

"There has been a questionable improvement in the team's performance over the past month."

Strongest
questionable
dubious
Strong
imperceptible
indistinct

• adjective (Context 3)

Having exact and discernible physical limits or form.

Usage Example

"Gases expand to fill their containers and have no indefinite shape or volume."

Strongest
indefinite
amorphous
formless
ill-defined
Strong
boundless

• adjective (Context 4)

Certain about one's opinions or beliefs; not hesitant.

Usage Example

"She was very unsure about wanting to pursue a career in environmental law."

Strongest
unsure
hesitant
indecisive
Strong
irresolute
wavering

• adjective (Context 5)

Designating an article, determiner, or noun phrase that refers to a particular, identifiable entity or group of entities (in grammar).

Usage Example

"In English grammar, the word 'the' functions as the indefinite article."

Strongest
indefinite

• noun (Context 6)

Something that is certain, assured, or clearly decided (chiefly informal).

Usage Example

"Put me down as a uncertainty for Saturday's charity run."

Strongest
uncertainty

Similar words to definite

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

certain
unmistakable
undeniable
fixed
sure
well-defined
certainty
positive
See all synonyms of definite

• Nearby Words

definably
define
defining
definite
definitely
definiteness
definition

Cite this Entry

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