What is the pronunciation of smarten (sb/sth) up?
English definition of “smarten (sb/sth) up”
smarten (sb/sth) up UK informal — phrasal verb with smarten
› to improve your personal appearance or the appearance of something: You'll need to buy a suit and smarten up a bit for the interview. Staff were told to smarten themselves up for the inspection visit. They've smartened up the design of their webpage.