All 5 Uses

vulnerable
in
The Girl on the Train
(Auto-generated)

The other danger is that I might make myself vulnerable.†
p. 122.5
He took in a very young, very vulnerable girl and left her alone when she needed support.†
p. 264.5
I realize it's ridiculous, but I feel so horribly vulnerable now that I've seen what he is; now that there are no secrets between us.†
p. 314.2 *
I'm too afraid to let myself slip, because that's when I make myself vulnerable.†
p. 323.5
Having a child with you makes you vulnerable, it makes you weak.†
p. 325.1

Definitions:

(1) (vulnerable)
easily hurt or in need of help; or easily influenced or subject to temptation
(2) (meaning too rare to warrant focus)
Specialized Definitions for vulnerable:

Ecology: species believed likely to move into the endangered category if no action is taken

Bridge (card game): the period after winning one game in a rubber when higher penalties (and bonuses) are scored