be (one's) own worst enemy

(redirected from be their own worst enemies)

be (one's) own worst enemy

To do things that complicate one's life and/or keep one from success; to be self-destructive or self-sabotaging. Of course Tommy started skipping school again—he's his own worst enemy. She always sabotages a relationship when it's going really well because she's her own worst enemy.
See also: enemy, own, worst

be your own worst enemy

act contrary to your own interests; be self-destructive.
1993 Richard Lowe & William Shaw Travellers We convinced ourselves that everything was against us but the truth was we were probably our own worst enemies.
See also: enemy, own, worst

be your ˌown worst ˈenemy

be a person who often creates problems or difficulties for himself/herself: He spends all his money on clothes, and then finds that he’s got nothing left to live on — if you ask me, he’s his own worst enemy.
See also: enemy, own, worst
References in periodicals archive ?
Northern communities may be their own worst enemies when it comes to economic development.
However, rural areas also have some peculiarities, not the least of which is they tend to be their own worst enemies.
This past autumn, however, I began to wonder if my friends didn't have it at least partially right in suggesting bishops can be their own worst enemies.