Verb = I lost my bag. You can change the word bag with any other noun. Example:
I lost my camera.
I lost my car.
I lost my phone.
You can not say: I lost my weight, this is wrong.
You should say: I lost weight.
Adjectives = I am lost(present)/I was lost (past)
You should not say: I lost my way, this is wrong.
You should say: I am lost.
Noun = loser
Refers to a person who has not accomplish anything in life or isn't doing well.