Whatever

pronoun
1.
anything that (usually used in relative clauses):
Whatever you say is all right with me.
2.
(used relatively to indicate a quantity of a specified or implied antecedent):
Take whatever you like of these.
3.
no matter what:
Do it, whatever happens.
4.
any or any one of a number of things whether specifically known or not:
papers, magazines, or whatever.
5.
what (used interrogatively):
Whatever do you mean?
adjective
6.
in any amount; to any extent:
whatever merit the work has.
7.
no matter what:
whatever rebuffs he might receive.
8.
being what or who it may be:
Whatever the reason, he refuses to go.
9.
of any kind (used as an intensifier following the noun or pronoun it modifies):
any person whatever.
interjection
10.
(used to indicate indifference to a state of affairs, situation, previous statement, etc.)
pronoun
1.
everything or anything that: do whatever he asks you to
2.
no matter what: whatever he does, he is forgiven
3.
(informal) an unknown or unspecified thing or things: take a hammer, chisel, or whatever
4.
an intensive form of what, used in questions: whatever can he have said to upset her so much?
determiner
5.
an intensive form of what: use whatever tools you can get hold of
adjective
6.
(postpositive) absolutely; whatsoever: I saw no point whatever in continuing
interjection
7.
(informal) an expression used to show indifference or dismissal
what do you say
see: or whatever