- to groom oneself: to smarten up before dinner.
- to become aware of one's mistakes, shortcomings, etc., and make efforts to correct them: If you don't smarten up, you're going to be out of a job.
Words nearby smarten
How to use smarten in a sentence
These tiny devices offer a cheap, simple way to smarten up any gadget without connectivity.
This cheap, tiny plug is a simple way to smarten up an old gadget.
I always shave myself on rest days—it is pleasant to feel clean, even when there is no one to smarten oneself up for.Trans-Himalaya, Vol. 2 (of 2)|Sven Hedin
The next day we had to smarten up and get ready for the Brigadier-General, who was going to inspect us.Into the Jaws of Death|Jack O'Brien
It tends to smarten a man, and officers are not slow to pick out the careful from the slovenly soldier.Training for the Trenches|Leslie Vickers
An' I take it that the bar'l has an influence: some bar'ls kind of wilt cider and some smarten it up, and keep it hearty.A Country Doctor and Selected Stories and Sketches|Sarah Orne Jewett
Tumble up at once, an' git a lively move on, or I'll be down an' smarten ye up!'Golden Stories|Various