■ adjective ( ~er , ~est )
1》 lacking intelligence or common sense.
↘ informal used to express exasperation or boredom: stop messing about with your ~ paintings!
2》 dazed and unable to think clearly.
Derivatives
~ity noun
~ly adverb
~ness noun ( chiefly W. Indian ).
Origin
C16: from Fr. ~e or L. ~us , from stupere 'be amazed or stunned'.