unwitty 

Someone who tries to be witty, but fails.

He was so unwitty when he text messaged me this...
"So far I just want u to know that ur one of the most beautiful women i have ever met both inside and out. One could say 'girl ur the shit' Have a great day!"

unwitty by InterestingTeamwork December 9, 2008

unwitting 

not aware or knowing, not intentional

the three unwitting freshmen were blamed for the chicken in the girl's locker room, even thought they didn't do it

unwitting by jairo arroyo September 20, 2007

unlitty 

opposite of lit or litty, uncool, not good

Meghan has an unlitty personality, she is such a stick in the mud.

unlitty by UrbanWendy August 4, 2017

Unwittyful 

Another and better way to say unintelligent/Dim

Andy that was unwittyful of you to say that!

Unwittyful by Git hater January 24, 2003