There are 2 definitions of mister in English:

mister1

Syllabification: mis·ter
Pronunciation: /ˈmistər
 
/

noun

1 variant form of Mr., often used humorously or with offensive emphasis. don’t back-talk me, mister!
More example sentences
  • You can't get away with changing the subject mister!
  • And mister, if you don't smarten up you'll end up just like her.
  • I may be pregnant but I will get up and kick your butt mister.
1.1 informal Used as a form of address to a man whose name is not known: thanks, mister
More example sentences
  • One or two young Iraqi boys approached them awkwardly and tried to say hello… ‘Mister, mister!’
  • Then some kid will turn up on a Saturday from Auchtermuchty or somewhere like that and say to me, ‘Hey, mister, are you the man that does the rugby?’
  • He said to me, ‘I understand there was some dancing going on, mister.’

Origin

mid 16th century: weakened form of master1 in unstressed use before a name.

Definition of mister in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day animalcule
Pronunciation: ˌanɪˈmalkjuːl
noun
a microscopic animal

There are 2 definitions of mister in English:

mister2

Syllabification: mis·ter
Pronunciation: /ˈmistər
 
/

noun

A device, such as a bottle, with a nozzle for spraying a mist of water, especially on houseplants.
More example sentences
  • Rabbits, which find the knee-high orchard grass perfectly hospitable habitat, have also presented problems, particularly since they have shown a penchant for the spaghetti tubing that connects the irrigation hose to the misters.
  • And I carry a small spray bottle - a mister - to hydrate my face and eyes.
  • Blend a cup of cold water with 12 drops of jasmine essential oil, put the mix in a spray bottle with a fine mister, and spritz your lower legs before you go to sleep.

Definition of mister in: