to become involved in something quickly and completely.

When she decides to get involved, she jumps in with both feet.

Related vocabulary: jump in

• set the world on fire
• settle a score
• settle down
• settle down to
• settle down to something
• settle for
• settle for something
• settle in
• settle into
• settle into something
• settle old scores
• settle on
• settle on something
• settle someone down
• settle stomach
• settle your stomach
• set tongues wagging
• set to work
• set up
• set up for life
• set up housekeeping
• set upon
• set upon someone
• set upon something
• set up shop