Akademik

for goodness' sake
for God’s/Christ’s/goodness’/Heaven’s/Pete’s/sake spoken phrase
used for emphasizing what you are saying when you are annoyed or angry ‘for God’s sake’ and ‘for Christ’s sake’ are offensive to some people

Oh, for goodness’ sake, leave me alone!

Thesaurus: impolite and offensive expressions used when annoyed or angrysynonym
Main entry: sake

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see sake I

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for goodness' sake
— used to express surprise or annoyance

Will you hurry up, for goodness' sake?

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Main Entry: ↑goodness

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for Christ's, God's, goodness', heaven's, pity's, etc. ˈsake idiom
used to emphasize that it is important to do sth or when you are annoyed about sth

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Do be careful, for goodness' sake.

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Oh, for heaven's sake!

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For pity's sake, help me!

 Some people find the use of Christ, God or heaven here offensive.
Main entry: ↑sakeidiom

Useful english dictionary. 2012.