"There is no point whatever in going on with this discussion."
3.pronounNo matter what; for any
"Whatever he does, he will still lose the game."
4.pronoun(relative) Anything; sometimes used to indicate that the speaker does not care about options.
"I’ll do whatever I can."
5.interjection(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!""