The term 'Yeah... Whatever!' is an expression of indifference or dismissal. It is often used sarcastically to indicate that the speaker does not care about what the other person is saying. The crossword solutions for this term are SURE (4 letters), OKAY (4 letters), ASIF (4 letters), and IBET (4 letters). SURE is an affirmative response, OKAY is an informal way of expressing agreement, ASIF is a slang term meaning 'as if' and IBET is a slang term meaning 'I bet'. All of these words can be used to express indifference or dismissal in response to something someone has said.