0 to quickly put on a piece of clothing: --
You don't need to go into the fitting room - just slip the jacket on over your sweater.
If you could wait two minutes, I'm just going to slip into a nicer dress.
1 to gradually start to be in a bad state or condition: --
The world economy slowed and the US and parts of Europe slipped into recession.
NYA ORD
European
May 10, 2021
DAGENS ORD
Shimmer
slip into sth