expression, suffix
could; might; is capable of; may well
Attaches to the -masu stem of a verb to express that a negative or undesirable outcome is quite possible. Often used in warnings or when pointing out risks.
See also: かねる
そんなことを言うと、彼を傷つけかねない。
Saying something like that could hurt him.
このままでは大事故になりかねない。
At this rate, it could turn into a major accident.