get into (one's) Sunday best
get into (one's) Sunday best
To get dressed in one's very best clothes, as one would wear to a Sunday church service. Instead of some big party, let's all get into our Sunday best and go for lunch at a fancy restaurant for my birthday! This is going to be a formal event, so we all need to get into our Sunday best.
See also: get, Sunday
Farlex Dictionary of Idioms.
- (one's) Sunday best
- Sunday best
- your Sunday best
- in (one's) Sunday best
- in Sunday best
- be in (one's) Sunday best
- best do
- (had) best (do something)
- as best (one) can
- as best you can