"Tacky" means something that is considered cheap, tasteless, or not stylish. It can describe something that looks or feels unpleasant or unattractive. Full definition
I love that not only did you double up on the denim, but the bag and shoes match as well — yet somehow you get away with it and it doesn't look tacky in the slightest. (dailykongfidence.com)
Add a light layer of tacky glue to your board and brush on the glue. (lifestorage.com)
The leather upholstery no longer feels tacky as it once did, and the backlighting behind the instruments and the radio are softer on the eyes. (torquingcars.com)