Meaning of “spruce sb/sth up” - Learner’s Dictionary

spruce sb/sth up

phrasal verb with spruce uk us /spruːs/ verb

to make someone or something cleaner or more tidy:

[ often reflexive ] I'd like to spruce myself up a bit before we go out.

(Definition of “spruce sb/sth up” from the Cambridge Learner’s Dictionary © Cambridge University Press)