Lady vs Madam

When to use each in English, with meaning, register, and examples.

Lady

Top 1,000 (very common)A2noun

Madam

FormalBeyond 10,000 (less common)
Most formal: MadamMost common: Lady
 LadyMadam
Pronunciation🇬🇧 /["/ˈleɪdi/"]/🇺🇸 /["/ˈleɪdi/"]/🇬🇧 //ˈmædəm//🇺🇸 //ˈmædəm//
MeaningA woman, especially one who is polite or has a good position.A respectful way to address a woman.
ExampleThe lady at the front desk helped me check in.Excuse me, madam, may I take your order?
RegisterNeutralFormal
How commonTop 1,000 (very common)Beyond 10,000 (less common)
CEFR levelA2-
Part of speechnoun
Collocationselderly, middle-aged, old, friend, a lady of leisure, ladies who lunch, the lady of the house, elderly, middle-aged, old, friend, a lady of leisure, ladies who lunch, the lady of the housedear madam, madam chair, madam secretary
Antonymsgentleman, man-
Common mistakesUsing 'lady' to refer to girls or children., Confusing with 'woman' in professional contexts.Confused with 'mademoiselle', which is less formal., Using 'madam' inappropriately in casual conversations., Pronouncing incorrectly as 'mad-am' instead of 'mad-um'.
Usage notesUsed in formal contexts to refer to women with respect. Avoid using for very young girls or in very casual settings.Used in formal contexts or in polite conversation. Avoid using in casual settings as it might feel outdated.

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Lady
Madam

Frequently asked questions: Lady vs Madam

What's the difference between Lady and Madam?

Lady: A woman, especially one who is polite or has a good position. Madam: A respectful way to address a woman.

Which is more formal: Lady and Madam?

Madam is the most formal of these.

Which is more common: Lady and Madam?

Lady is the most common in everyday English.

Can you show an example of each?

Lady: The lady at the front desk helped me check in. Madam: Excuse me, madam, may I take your order?

Can I use Lady and Madam interchangeably?

Not always. Lady and Madam are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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