We see these two words misspelled ALL the time especially on Twitter and Facebook.
Let's take a look at the correct use of these words.
Lose: is a present tense verb. It has two meanings:
i) To have lost something. You no longer know where it is:
"Don't lose your bag. Be careful where you put it."
ii) To be defeated:
"I always lose when I play tennis against my brother."
The past form of both meanings is lost.
"I lost my bag!"
"I lost another tennis match."
The noun form of both meanings is loss.
"The things I regret most about the loss of my bag, is that my phone was in it."
"I don't think I can face another loss against my brother. I'm not playing him again."
Loose is an adjective. It means the opposite of tight. When something is loose it is not fixed in place.
"My young daughter has a loose tooth. It will fall out soon."
"My diet must be working because my jeans are now loose. I should start wearing a belt."
Decide which word is needed to complete these sentences: