Find Antonyms

dunno Antonyms

Opposite of dunno

Pinning down the opposite of dunno requires matching its exact sense, so the antonyms and opposite words below are paired with a clear verb definition and ranked by contrast strength.
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• verb (Context 1)

To not know or be unsure about something (used as an informal contraction of "don't know").

Usage Example

"I know whether they plan to attend the reception tonight."

Strongest
know

Similar words to dunno

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

beats me
search me
who knows
wonder
See all synonyms of dunno

• Nearby Words

dungeon
dungheap
dunghill
dunno
duo
dupable
dupe

Cite this Entry

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