Use 'badly' when something is done in a wrong or poor way. It means the action did not go well or was done with mistakes. This is a common way to say something was done poorly.
He played badly in the game today.
The food was cooked badly last night.
Use 'badly' to say something is strong or serious. It shows that a bad thing is very big or very strong. It can describe how hurt or how much something is needed.
She was badly hurt in the accident.
They need money badly to fix the car.
'Badly' can show a strong feeling or wish for something. It means someone wants or needs something very much. This meaning shows feelings or desire.
I badly want to see that movie.
They badly need help right now.
Use 'badly' to say that something causes trouble or bad effects. It shows negative results or harm from an action or event. This meaning is often used in formal or serious talk.
The policy was badly received by the public.
His decision badly affected the team's results.
'Badly' can be used in everyday speech to show strong feelings. It helps say 'very much' or 'really' to make sentences stronger. This use is common in spoken English.
I badly want some ice cream now.
She badly needs a break today.
Use 'badly' to describe bad or rude behavior to others. It means acting in a wrong or hurtful way. This meaning focuses on how a person treats people or acts.
Don’t treat your friends badly.
He behaved badly at the party last night.