whatever /wɒtˈevər/ adverb, pronoun, determiner
ANYTHING › anything or everything: Do whatever you want. He eats whatever I put in front of him.
NO DIFFERENCE › used to say that what happens is not important because it does not change a situation: Whatever happens I'll still love you. We'll support you, whatever you decide.
QUESTION › used to ask for information when you are surprised or angry about something: Whatever do you mean?
ANGRY informal › something that you say when you are angry with someone who is asking you something: 'Isabel, will you just listen when I'm talking to you?' 'Whatever.'
or whatever › or something similar: The children are usually outside playing football or whatever.