We found 4 definitions of smarten up from 2 different sources.
Verb |
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smarten up - make neat, smart, or trim; "Spruce up your house for Spring"; "titivate the child" | ||
spruce up, spruce, titivate, tittivate, slick up, spiff up | ||
fancify, prettify, beautify, embellish make more beautiful | ||
smarten up - dress and groom with particular care, as for a special occasion; "He spruced up for the party" | ||
spruce up, spruce, slick up | ||
neaten, groom care for one's external appearance; "He is always well-groomed" |