dunno
2 synonyms and 0 antonyms for dunno, grouped by meaning and by how common each one is.
Noun — An informal, run-together way of saying "I don't know," used mainly in speech and casual writing.
Synonyms
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Etymology
A written spelling of the slurred pronunciation of "don't know."
Full origin of dunno →Frequently asked questions
What does “dunno” mean?
The word “dunno” means an informal, run-together way of saying "I don't know," used mainly in speech and casual writing. In plain terms, a casual, spoken-style shortcut for "I don't know.".
How do you pronounce “dunno”?
“Dunno” is pronounced DUH-noh (/dəˈnoʊ/ in IPA).
How do you use “dunno” in a sentence?
Here is “dunno” used in a sentence: “"Where's the remote?" "Dunno, try the sofa.".”
What part of speech is “dunno”?
“Dunno” is a noun.
Is “dunno” a common word?
“Dunno” is a fairly common word in modern English.
What is the difference between dunno and I don't know?
Dunno is an informal, run-together way of saying "I don't know," used mainly in speech and casual writing. "I don't know" is the standard, fully written form appropriate for formal contexts.
Is dunno appropriate for formal writing?
No. Dunno is informal and should be avoided in formal writing, emails, or professional communication, where "I don't know" or "I am not sure" is preferred.
Is dunno considered a real word?
Dunno is recognized as an informal contraction used mainly in speech and casual writing, though it is not standard in formal grammar and is treated as colloquial rather than a fully standard word.