bosom friend

American  

[booz-uhm frend] / ˈbʊz əm ˈfrɛnd /

noun

1. a close or intimate friend.

   After her family moved to another country, Ayana continued to stay in touch with the bosom friend she left behind.

---

Etymology

Origin of bosom friend

First recorded in 1580–90

Example Sentences

He had the C.I.O.'s President Phil Murray, once a bosom friend, sputtering with rage.

From Time Magazine Archive

In China she met Maggie, also from the U. S., and became her bosom friend.

From Time Magazine Archive

For the past three years Alan Patrick Herbert, Punch staff member and tireless contributor, has been regaling readers with the letters of Topsy, exclamatory and energetic post-War type, to her bosom friend.

From Time Magazine Archive

To begin with, in the quarter-final match between burly young John Doeg* of California and Tilden's bosom friend, Frank Hunter, Tilden insisted on audibly coaching Hunter from the sidelines.

From Time Magazine Archive

So she went straight to her bosom friend, Pheoby Watson, and told her about it.

From "Their Eyes Were Watching God" by Zora Neale Hurston