[take] the plunge
1
to devote one's time and energy to doing or finishing something one was nervous about
- If you have been thinking about buying shares, now could be the time to take the plunge.
- We took the plunge and set up our own business.
2
to become someone's wife or husband during a special ceremony
The phrase is thought to have originated in the 19th century, when it was used to describe diving into water from a high place, symbolizing a bold and decisive action. When applied to marriage, "taking the plunge" refers to the moment when individuals decide to commit to a lifelong partnership and embark on the journey of marriage. This idiom used to describe the act of getting married. It implies a significant and life-changing decision to enter into a marital union. The phrase conveys a sense of bravery, readiness, and willingness to start a lifelong commitment.
- Emma and Michael had been in a committed relationship for a long time, so they finally took the plunge and exchanged wedding vows.
- Jennifer had always been afraid of commitment, but when she met Ryan, she knew she wanted to take the plunge and build a life together.
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