be (one's) own worst enemy

(redirected from are 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 ?
IN the main, charities are their own worst enemies, never satisfied whatever donation is made, always wanting more under whatever pretext.
Sports owners are their own worst enemies in this debate.
These are affluent kids with absent parents, who are their own worst enemies because their arrogance leads them to play games with the cops to show how smart they are.
I CAN'T help but think the city councillors and West Midlands Police are their own worst enemies when it comes to the problem of alcohol being abused within the Weoley Castle area.
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