sério

Etymology
, from.

Adjective

 * 1) serious; solemn without humor or expression of happiness
 * 2) serious leaving no room for play; needing great attention
 * 3)  dangerous
 * 4) which can’t be joked about; no laughing matter
 * 5)  grave
 * 1)  dangerous
 * 2) which can’t be joked about; no laughing matter
 * 3)  grave
 * 1) which can’t be joked about; no laughing matter
 * 2)  grave
 * 1) which can’t be joked about; no laughing matter
 * 2)  grave
 * 1)  grave

Adverb

 * 1) concerning serious matters

Noun

 * 1) a game in which two people stare at each other and the first one to laugh loses

Interjection

 * 1) really? indicating surprise at, or requesting confirmation of