slack suit
noun
a man's suit for casual wear consisting of slacks and a matching shirt or loose-fitting jacket.
Words nearby slack suit
slab-sided,
slabber,
slabbery,
slack,
slack off,
slack suit,
slack water,
slack-baked,
slack-jawed,
slack-key,
slacken
British Dictionary definitions for slack suit
slack suit
noun
US
casual male dress consisting of slacks and a matching shirt or jacket