これらの接頭辞は、最も一般的に否定で使用します: de -、 dis -、 il -/ im -/ in -/ ir -、 mis -、 non -、 un -:

What he said was very im polite.

There was a mis understanding about who should sign the contract.

The refugees also need non- food items such as tents and blankets. (食品ではないもの)

-less は、否定の最も一般的なサフィックスです。

Too many people are home less in this city.

We just have end less meetings at work – they’re so boring.