Meanings
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1
adj
showing poor taste and quality; or slightly sticky to the touch
The souvenir shop was full of tacky plastic ornaments.
Thesaurus
Etymology
In the 'sticky' sense, from tack ('a small nail; stickiness') + -y. In the American 'shabby, in poor taste' sense, from a dialectal noun tacky meaning a poor-quality or inferior horse, later applied to people and things.