my

1 of 3

adjective

ˈmī How to pronounce my (audio)
1
: of or relating to me or myself especially as possessor, agent, object of an action, or familiar person
my car
my injuries
my man
2
used interjectionally to express surprise and sometimes reduplicated
my oh my
used also interjectionally with names of various parts of the body to express doubt or disapproval
my foot
My eye!

my

2 of 3

abbreviation

million years

my-

3 of 3

combining form

variants or myo-
: muscle
myoglobin
: muscle and
myoneural

Examples of my in a Sentence

Adjective I enjoy my job very much. My favorite TV show was on last night. When I woke up this morning, my head ached and my throat was sore. My wife and I both love to dance. I always keep my promises. It was my fault that we lost the game.

Word History

Etymology

Adjective

Middle English, from Old English mīn, from mīn, suppletive genitive of ic I; akin to Old English me

Combining form

New Latin, from Greek, from mys mouse, muscle — more at mouse entry 1

First Known Use

Adjective

12th century, in the meaning defined at sense 1

Time Traveler
The first known use of my was in the 12th century

Browse Nearby Words

Cite this Entry

“My.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/my. Accessed 9 Sep. 2025.

Kids Definition

my

adjective
(ˈ)mī,
: of or relating to me or myself
my head
kept my promise
my injuries

More from Merriam-Webster on my

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