She collected decorative knickknacks from around the world.
cheap trinket
Frequency:
70
%
She bought a cheap trinket as a souvenir.
worthless bauble
Frequency:
60
%
The necklace turned out to be a worthless bauble.
useless trifle
Frequency:
50
%
The gadget turned out to be a useless trifle.
tawdry ornament
Frequency:
45
%
The room was filled with tawdry ornaments.
Idiomatic Expressions for gewgaw
Phrase: mere gewgaw
Meaning: refers to something that is superficial, ornamental, or frivolous
Usage: The expensive jewelry she wore was just mere gewgaw, with no sentimental value.