The antonym is concerned to indicate just it opposite of the meaning of a Word. In this sad case is an augmentative of the sad Word then the antonym of sad would be super happy, cheerful, encantadisimo.
Anónimo
Only to complement the response above, the superlative of happy is felicísimo and of cheerful is alegrisimo. Another antonym more could be thrilled.
This website uses your own and third party cookies to optimize your navigation, adapt to your preferences and perform analytical work. As we continue to navigate, we understand that you accept ourCookies PoliciesAccept