(MORE EXACTLY) [adverb] - more accurately; more exactlyShe'll go to London on Thursday, or rather, she will if she has to.He's my sister's friend really, rather than mine.The dress is rather pink than purple.Rather can also be used to express an opposite opinion.The ending of the war is not a cause for celebration, but rather for regret that it ever happened.No, I'm not tired. Rather the opposite in fact.
RATHER
Meaning of RATHER in English
Cambridge English vocab. Кембриджский английский словарь. 2012