Unexceptional or unimportant; blah.
At all, absolutely, whatsoever.
There is no point whatever in going on with this discussion.
No matter what; for any
Whatever he does, he will still lose the game.
(relative) Anything; sometimes used to indicate that the speaker does not care about options.
I’ll do whatever I can.
(dismissive) A holophrastic expression used discourteously to indicate that the speaker does not consider the matter worthy of further discussion.
"For the last time, brush your teeth!" "Whatever!"