expression, i-adjective
likely to do; could well do; would not hesitate to do
Expresses that someone is quite capable of doing something, often with a negative or surprising connotation. Attaches to the continuative form (連用形) of verbs.
See also: しかねる
彼ならやりかねない。
He could well do it.
あの人は秘密をばらしかねない。
That person is liable to spill the secret.
そんなことを言ったら、
Saying something like that could hurt her.