Definition of Monday
: the second day of the week
Mondaysplay \-(ˌ)dāz, -dēz\ adverb
Examples of monday in a sentence
I had lunch with her last Monday.
I'll be seeing her again next Monday.
My birthday falls on a Monday this year.
Next week I'll arrive on Monday and leave on Friday.
I will arrive on Monday morning.
Origin and Etymology of monday
Middle English, from Old English mōnandæg; akin to Old High German mānatag Monday; akin to Old English mōna moon and to Old English dæg day
First Known Use: before 12th century
MONDAY Defined for English Language Learners
Definition of Monday for English Language Learners
: the day of the week between Sunday and Tuesday
Seen and Heard
What made you want to look up Monday? Please tell us where you read or heard it (including the quote, if possible).