Go out on limb and Happen upon

Happen upon and go out on limb are semantically related. in imagine topic. In some cases you can use "Happen upon" instead a verb phrase "Go out on limb".

Happen upon verb - To come upon face-to-face or as if face-to-face.

Go out on limb and happen upon are semantically related. Sometimes you can replace phrase "Go out on limb" with "Happen upon", this terms are similar.