Lady vs Madam vs My lady

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

Lady

Top 1,000 (very common)A2noun

Madam

FormalBeyond 10,000 (less common)

My lady

FormalBeyond 10,000 (less common)
Most common: Lady
 LadyMadamMy lady
Pronunciation🇬🇧 /["/ˈleɪdi/"]/🇺🇸 /["/ˈleɪdi/"]/🇬🇧 //ˈmædəm//🇺🇸 //ˈmædəm//🇬🇧 //maɪ ˈleɪdi//🇺🇸 //maɪ ˈleɪdi//
MeaningA woman, especially one who is polite or has a good position.A respectful way to address a woman.A polite way to address a woman of high rank.
ExampleThe lady at the front desk helped me check in.Excuse me, madam, may I take your order?The knight addressed her politely, saying, 'My lady, you have my utmost respect.'
RegisterNeutralFormalFormal
How commonTop 1,000 (very common)Beyond 10,000 (less 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 secretaryaddress my lady, my lady's grace, my lady, your wish
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'.Using 'my lady' in informal conversations., Confusing with 'madam' in all situations., Assuming it's appropriate for all women.
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 Avoid using in casual settings as it might feel outdated.Used in formal contexts, such as addressing a woman in nobility. Avoid in casual settings.

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Lady
Madam
My lady

Frequently asked questions: Lady vs Madam vs My lady

What's the difference between Lady, Madam, and My lady?

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

Which is more common: Lady, Madam, and My lady?

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? My lady: The knight addressed her politely, saying, 'My lady, you have my utmost respect.'

Can I use Lady, Madam, and My lady interchangeably?

Not always. Lady, Madam, and My lady 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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