Longman Dictionary of Contemporary English homepage

ir-

prefix
     
ir-
used instead of in- before the letter r [= not]:
irregular (=not regular)

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary