From Longman Dictionary of Contemporary Englishno thanks to somebody/somethingno thanks to somebody/somethingspoken an expression meaning ‘in spite of’, used when someone should have helped you but did not It was no thanks to you that we managed to win the game. → thanks
Examples from the Corpus
no thanks to somebody/something• She didn't think that there was anything broken ... but no thanks to Johnny, she thought bitterly.• Glorious because they came away with a victory over Rosslyn Park ... but no thanks to the quagmire at the Kingsholm ground.• Everyone got out safely, no thanks to the smoke alarm - its batteries were dead. 