jump in

Idioms  

1. Also. Enter into something enthusiastically; also, act precipitately. For example, When Don found out what his job was to be, he was ready to jump in immediately, or As soon as they asked me to join, I jumped in with both feet, or When buying securities, Anne's apt to jump into the ring, no matter what the risks. The first two usages allude to jumping into water; the third alludes to entering the fray of the boxing ring.

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Example Sentences

The central bank cut its key interest rate for an eighth straight meeting, and said further reductions were possible despite a jump in oil prices.

From The Wall Street Journal • Jun. 5, 2026

A record 13 people were killed by bears in Japan last year, and there has been a jump in sightings as the animals emerge hungry from hibernation.

From Barron's • Jun. 5, 2026

Jessica Altman, executive director of Covered California, attributed the jump in cancellations to the expiration of enhanced federal subsidies that caused the cost of a plan to leap for most middle-class Californians.

From Los Angeles Times • Jun. 2, 2026

Before you jump in, there are a few things you should know.

From MarketWatch • May 27, 2026

You taught me how to jump in the waves that day.

From "A Step from Heaven" by An Na

Related Words

• arrive
• come in
• get in
• go in
• infiltrate
• introduce
• invade
• penetrate