Gimcrack (noun, adjective)
gimcrack [jim-krak]

noun
1. a showy, useless trifle; gewgaw.

adjective
2. showy but useless.

Synonyms
1. bauble, knickknack, trinket, ornament.

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Origin: 1325-75 for earlier sense; Middle English gib (e) crake; compare Middle English gibben to waver (< Old French giber to shake)

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