plunge in
Upper Intermediate (B2)informal
To jump straight into something — water or an activity — without stopping to think
"Without hesitating, he plunged in and swam toward the struggling child."
Hear it in context
Doctor Mike's Hardest Challenge Yet! | The Basement Yard #545
The Basement Yard · 42:44
Cold plunge in jeans?
Mark Wahlberg on Bartending at His Daughter’s College & He Guesses Which Pedestrians are from Boston
Jimmy Kimmel Live · 1:18
There was a cold plunge in their garage.
The Best Vitality & Health Protocols | Dr. Rhonda Patrick
Andrew Huberman · 59:50
I don't cold plunge in the 68 hours after
The Most Uncomfortable Video Ever
Very Really Good · 30:01
[laughter] Like Like cold plunge in in long jeans is is crazy work.
Alien Beasts Invade, He Builds an Army of Billions of Mechs and Becomes the Lord of the Human Race!
Top Comic Recap · 240:51
I suspect that the great kingdom is behind the plunge in crude oil prices.