dolt
Even the most politically doltish individuals can see that this policy has been a failure.
She is strangely devoted to her solid and doltish husband.
In the end, their ideas proved to be nothing but doltish dreams.
The hotel looked clean, and the locals seemed doltish but harmless.
The doltish knights decided to launch an attack in the middle of winter.

SMART Vocabulary: related words and phrases

Stupid and silly
absurd
absurdity
absurdly
adolescent
against your better judgmentidiom
dopily
dorky
dottiness
dotty
dozily
in his/her/their wisdomidiom
in someone's infinite wisdomidiom
inadvisable
injudicious
injudiciously
uncritical
uncritically
undiscriminating
unintelligent
unperceptive