From Longman Dictionary of Contemporary Englishso much for somebody/somethingso much for somebody/somethingspoken used to say that a particular action, idea, statement etc was not useful or did not produce the result that was hoped for He’s late again. So much for good intentions! → so
Examples from the Corpus
so much for somebody/something• Thank you so much for coming.• So much for getting up early every morning.• We take the railways so much for granted.• I can't get it off the pan - so much for it being nonstick.• The boys have been lovely and Kenneth has done so much for me.• Together with the right kind of support we could have fun together and achieve so much for ourselves and our diocese.• The method she resorted to was novel, not so much for the times but for her.• That diagnosis is not so much for therapeutic reasons as for administrative and management purposes.• Thank you so much for your encouragement in the past. 