As a noun dimwit
is a person who is deficient in intelligence.
As an adjective ditzy is
silly or scatterbrained, usually of a woman.
dimwit
English
Noun
(
en noun)
(pejorative) A person who is deficient in intelligence.
Synonyms
* See
Derived terms
* dimwitted
* dimwittedly
* dimwittedness
See also
* halfwit
* nitwit
ditzy
English
Alternative forms
* ditsy
Adjective
(er)
(informal) Silly or scatterbrained, usually of a woman.