Longman Dictionary of Contemporary English homepage

invalid

3 verb
     
in‧va‧lid3

be invalided out

phrasal verb
PM to have to leave the army, navy etc because you are ill or injured

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