Longman Dictionary of Contemporary English homepage

improper

adjective
     
im‧prop‧er
1 dishonest, illegal, or morally wrong
it is improper (for somebody) to do something
He realised that it was improper for a police officer to accept gifts.
improper behaviour/conduct/dealings etc
allegations of improper banking practices
improper sexual conduct
2 not sensible, right, or fair in a particular situation [= inappropriate]
it is improper to do something
It would be improper of me to comment before the election outcome is known.
3 wrong or not correct
improperly adverb:
If you are improperly dressed, you will not be admitted.

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