The best way to learn proper English is to read news report, and watch news on TV. Watching TV shows is a great way to learn casual English, slang words, understand culture reference and humor. If you have already watched these shows then you may recall the words used in the following dialogs.

I have dealt with fanatics
of every DESCRIPTION, Your Grace.
Game of Thrones Season 6, Episode 4

The Avengers are rule-breakers, being
vengeful is in their job DESCRIPTION.
The Big Bang Theory Season 9, Episode 23

I'm sorry but that's
an accurate DESCRIPTION.
What else do you want me to call it?
Breaking Bad Season 2, Episode 11

He spoke Russian to him.
According to the person’s DESCRIPTION,
Money Heist Season 1, Episode 8

as the one-word DESCRIPTION
of yourself?
The Big Bang Theory Season 7, Episode 4