untarded 

the opposite of retarded.

My boyfriend and I are untarded.

untarded by cami_fizzle July 10, 2006

Untarded 

The polar opposite of retarded. Being of such sound logic that it repels even the slightest taint of retardation.

"Man, that idea is untarded!"

Untarded by C. Martin January 5, 2004

Umtarded

To be so stupid you not just retarded. Your umtarded.

"He just tripped over a cordless phone. You have to be umtarded to do that"

Umtarded by MYA!! September 26, 2008

Uptarded

Improved, in retard-style.

I didn't like my essay for school, so I totally uptarded it by adding bits of chewed crayon.

Uptarded by Brass January 30, 2003

Uptarded

To make more retarded/slower than before...

I uptarded my honda by adding a wing and body kit

Uptarded by deftonz1 August 11, 2003

Untarded 

A term used by Dusty, a famous YouTube atheist, to describe people that used to be religious, but now aren't.

I'm so glad you're untarded now, you're too smart to be a theist.

Untarded by iYelawolf March 21, 2016

Uptarded

adv., An improvement upon ones former status as retarded. This is simply a change, not a state of being.

Yo, ever since Leroy got hooked on phonics he started gettin' uptarded and shit...too bad he's still a dumb biznitch

Uptarded by Lonewolf March 17, 2003