dunno
dun-no · contraction
Definitions
contraction
- 1.
(Informal) A casual pronunciation and spelling of "don't know" or "I don't know."
Phrases & expressions
- •I dunno — I don't know
- •Dunno about that — Expression of uncertainty or skepticism
Related words
Synonyms: don't know
Etymology
Informal contraction of "don't know" or "I don't know," representing casual spoken pronunciation. First recorded in writing in the late 19th century.