smarten (someone/something) upmainly UK

SMART Vocabulary: related words and phrases

Cleaning & tidying places & things
adjust
airing
bed
bioremediation
clean something out
dust
dusting
freshen (someone/something) up
going-over
Hoover
muck
re-rack
sandblast
smarten (someone/something) up
spiff someone/something up
spit
spit and polishidiom
spruce
tidy
valet

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Smart & elegant

spruce up something | American Dictionary

spruce up something

phrasal verb with spruceverb
us/ˈspruˈsʌp/
to improve the appearance of something by making it neater or by adding decorations:
She’d spruce the place up with plastic flowers.