[Vocabulary] plunge in

[hhtt21]

Would you please explain the use and meaning of "plunge in" in this context? Romano is Beezus' younger sister.

"Beezus was trying to be helpful. She felt better, because Ramona had not plunged in and painted a picture full of imagination."

Source: Beezus and Romano by Beverly Cleary https://bumbleshoot.tripod.com/klickitat/bnr2.html

 

[Charlie Bernstein]

Would you please explain the use and meaning of "plunge in" in this context? Romano is Beezus's younger sister.

"Beezus was trying to be helpful. She felt better, because Ramona had not plunged in and painted a picture full of imagination."

Source: Beezus and Romano by Beverly Cleary https://bumbleshoot.tripod.com/klickitat/bnr2.html

Have you looked up plunge?

Ramona was not hasty. She took her time. She did not dive in. She did not throw herself into the project. She was being thoughtful.