Meaning & use

have mercy

phrase·Everyday

Last updated

UK/hæv ˈmɜːsi/
US/hæv ˈmɜːrsi/

Meanings

  1. phraseidiom

    To show kindness and choose not to punish or harm someone who is in your power.

    Grammar: Usually followed by on: have mercy on the prisoner.

    Patterns

    • have mercy on someone

    The judge decided to have mercy on the young offender.

    Please have mercy on us and extend the deadline.

    The king refused to have mercy on the rebels.

  2. phrasefixed phraseinformal

    An exclamation of surprise, dismay or amused reaction.

    Grammar: Used alone as a spoken exclamation.

    Patterns

    • Lord, have mercy!
    • Have mercy!

    Have mercy, it's hot out here!

    Lord, have mercy, look at that mess.

    Have mercy, that pie is good.

Common combinations

have mercy on
Have mercy on a tired traveler and let him in.
begged for mercy
He begged for mercy before the court.
Lord, have mercy
Lord, have mercy, the roof is leaking again.
show mercy
The coach decided to show mercy and end the game early.
at the mercy of
The boat was at the mercy of the waves.

Synonyms and how they differ

show pity
Show pity focuses on sympathy for suffering, while have mercy focuses on holding back punishment.
spare
Spare means not harming someone, but it needs an object and lacks the pleading sound of have mercy.
forgive
Forgive means to stop blaming someone, while have mercy often comes before punishment is decided.
be lenient
Be lenient suggests mild treatment in rules or punishment, and is more formal and less emotional.

Opposites

show no mercy

Word family

mercy noun
kindness shown to someone you could punish
merciful adjective
showing mercy
merciless adjective
showing none
mercifully adverb
fortunately

Commonly confused: have mercy or have mercy on?

have mercy vs have mercy on

Learners sometimes say have mercy of, but the correct preposition is on.

Practice

The prisoner begged the guard to have mercy ___ him.

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