やりかねない

expression, i-adjective

likely to do; capable of doing; would not hesitate to do

Expresses a strong possibility that someone might do something, often with a negative or surprising connotation. Used when the speaker thinks the action is plausible and sometimes alarming. The subject is usually a person, and the verb before かねない is in the continuative form (連用形).

See also: しかねない

• 彼かれならやりかねない。

  He's quite capable of doing it.

• あの人ひとは秘ひ密みつをばらしかねない。

  That person might well spill the secret.

• 彼かの女じょは怒おこると何なにを言いい出だすかわからない。ひどいことだってやりかねない。

  You never know what she'll say when she's angry. She might even do something terrible.