tacky
[adjective]
Synonyms: sticky, adhesive, gluey, gummy, wet
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(Informal)
[adjective]
Synonyms: vulgar, cheap, naff (Brit. slang), seedy, shabby, shoddy, sleazy, tasteless, tatty

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Contrasted words: mod, modern, modish, smart, stylish, tasteful, elegant
Related Idioms: gone to seed
Related Words: dowdy, outmoded, unstylish, messy, sloppy, slovenly, unkempt, untidy, blowsy, frowsy, frumpish, unbecoming, crude, inelegant, tasteless, incorrect, unsuitable, cheap, gaudy

[TahlilGaran] English Synonym Dictionary ▲

tack‧y /ˈtæki/ adjective
[Sense 1-2: Date: 1800-1900; Origin: tacky 'horse in poor condition' (1800-1900). ]
[Sense 3: Date: 1700-1800; Origin: ⇒ tack¹]

1. if something is tacky, it looks cheap or badly made, and shows poor taste:
tacky ornaments

2. especially American English showing that you do not have good judgment about what is socially acceptable:
It’s kind of tacky to give her a present that someone else gave you.

3. slightly sticky:
The paint’s still slightly tacky.
—tackily adverb
—tackiness noun [uncountable]

[TahlilGaran] Dictionary of Contemporary English ▲