Meaning: not in fashion, not trendy
- Long skirts are out at the moment, so you'd better not wear one if you want to be fashionable.
- Jeans and T-shirts never go out. I've been wearing them since I was a teenager and they're still in fashion.
Long hair was in for men in the 60's and 70's, but it went out in the 80's and 90's. Long hair was fashionable for men in