1. showing poor taste; cheap and gaudy in appearance or style
Usage: informal
2. slightly sticky to the touch

Examples

• The plastic flamingos in their yard looked really tacky.
• Her outfit was so tacky with all those sequins and bright colors.
• The paint was still tacky after an hour of drying.
• I thought the gold decorations were tacky and overdone.
• The glue felt tacky between my fingers.
• That tacky souvenir shop sells cheap trinkets to tourists.
• The varnish remained tacky in the humid weather.