1
general::
Phrase(s): *out on a limb
1. Lit. out on a limb of a tree where it is dangerous. (*Typically: be ~; go ~.) • It’s okay to climb the tree, but don’t go out on a limb and fall off. 2. Fig. in a dangerous position to do something; at risk. (*Typically: be ~; go ~; put someone ~.) • I don’t want to go out on a limb, but I think we can afford to do it. • If I had to go out on a limb, I would say that it will be a month before your merchandise will be delivered.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
In a difficult, awkward, or vulnerable position, as in I lodged a complaint about low salaries, but the people who had supported me left me out on a limb. This expression alludes to an animal climbing out on the limb of a tree and then being afraid or unable to retreat. [Late 1800s]
American Heritage Idioms