Master vs My lord

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

Master

Top 1,000 (very common)B2noun

My lord

FormalBeyond 10,000 (less common)
Most formal: My lordMost common: Master
 MasterMy lord
Pronunciation🇬🇧 /["/ˈmɑːstə(r)/"]/🇺🇸 /["/ˈmæstər/"]/🇬🇧 //maɪ lɔːd//🇺🇸 //maɪ lɔrd//
MeaningSomeone very skilled or good at something.A way to address a man of high rank or authority.
ExampleShe is a master of classical music, having studied for over a decade.He knelt before the throne and said, 'My lord, I bring news from the battlefield.'
RegisterNeutralFormal
How commonTop 1,000 (very common)Beyond 10,000 (less common)
CEFR levelB2-
Part of speechnoun
Collocationspolitical, colonial, slave, obey, please, serve, master of, political, colonial, slave, obey, please, serve, master of, acknowledged, great, undisputed, builder, craftsman, painter, master of, be a past master at something, be a past master of something, do, study for, take, degree, thesis, master in, do, study for, take, degree, thesis, master in, political, colonial, slave, obey, please, serve, master ofmy lordship, lord and master, my liege, my noble lord
Antonymsapprentice, novice, amateur-
Common mistakesConfused with 'mastery' which is the state of being skilled., Using 'master' inappropriately as a verb without context., Assuming 'master' must refer to a male.Using it in casual situations., Confusing it with 'my lordship', which has specific usage., Forget to capitalize 'Lord' when used as a title.
Usage notesUse 'master' when referring to a person who has complete control or skill in a field. It's appropriate in formal and informal contexts but can be seen as overly formal in casual conversations.Used in historical or fantasy contexts. Not common in modern casual speech. Typically respectful and indicates social hierarchy.

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Master
My lord

Frequently asked questions: Master vs My lord

What's the difference between Master and My lord?

Master: Someone very skilled or good at something. My lord: A way to address a man of high rank or authority.

Which is more formal: Master and My lord?

My lord is the most formal of these.

Which is more common: Master and My lord?

Master is the most common in everyday English.

Can you show an example of each?

Master: She is a master of classical music, having studied for over a decade. My lord: He knelt before the throne and said, 'My lord, I bring news from the battlefield.'

Can I use Master and My lord interchangeably?

Not always. Master and My lord 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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