for mercy's sake
- idiom
- Informal
- for mercy's sake, please help me with this difficult task!
Examples
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- For mercy's sake, what is it?
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I can't believe you forgot my birthday, for mercy's sake!
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For mercy's sake, just tell me the truth already!
Synonyms
A strong word that shows annoyance and makes a request urgent
People say it to show impatience or anger
A very rude phrase people say to show strong anger or annoyance
You say this when you feel very annoyed or impatient
Shows someone is annoyed, impatient, or in a hurry when spoken
Say it when you are annoyed to ask someone to do or stop something
To show strong frustration and make a request sound urgent
A person asks angrily and urgently for someone to act now
Words people say when they are very annoyed or want something done quickly
A strong spoken request or cry that shows shock and anger
Antonyms
How Urgent
- Informal
- Informal
- Informal
Surface Forms
Morphology
The components 'for' + 'mercy' + 'sake' transparently suggest an appeal to compassion or a plea ('for the sake of mercy'), so a learner who knows the words can infer a pleading/exclamatory force. However, its conventionalized pragmatic use as a general expression of exasperation or urgency (rather than a literal appeal to mercy) is idiomatic and requires exposure, making the phrase only partially predictable.
Etymology
For mercy's sake likely comes from people literally begging for mercy, a clear image of someone kneeling and asking another to 'show pity' in a desperate moment. So today we use it as a strong request or to show we are very annoyed, meaning 'please' or 'for goodness' sake'.