0 to (cause to) become more clean, tidy, and stylish: --
You'll have to smarten up if you want to work in television.
She's really smartened herself up since she finished college.
1 to improve your personal appearance or the appearance of something: --
They've smartened up the design of their webpage.
Staff were told to smarten themselves up for the inspection visit.
You'll need to buy a suit and smarten up a bit for the interview.
2 to begin working more effectively: --
The industry needs to smarten up its act in relation to advertising and promotion.
Poor performers need to smarten up quickly if they want to keep their jobs.
NYA ORD
European
May 10, 2021
DAGENS ORD
Shimmer
smarten (sb/sth) up