slacks
Slacks (noun) means Casual or semi-formal trousers, less formal than a suit. Example: “He wore a shirt and slacks to the office instead of a full suit.”
How to use slacks
Learner’s notesIn plain EnglishCasual trousers, smarter than jeans but not as formal as suit trousers.
Always used in the plural ("a pair of slacks"), even for one item, just like "trousers" or "pants".
Fill the gap
Can you complete this real example?
He wore a shirt and _____ to the office instead of a full suit.