more serious

adjsomber, humorless
adjcrucial, weighty

Synonyms for more serious

adj somber, humorless

Antonyms for more serious

Word Origin & History

mid-15c., "expressing earnest purpose or thought" (of persons), from Middle French sérieux "grave, earnest" (14c.), from Late Latin seriosus, from Latin serius "weighty, important, grave," probably from a PIE root *swer- (4) "heavy" (cf. Lithuanian sveriu "to weigh, lift," svarus "heavy;" Old English swære "heavy," German schwer "heavy," Gothic swers "honored, esteemed," literally "weighty"). As opposite of jesting, from 1712; as opposite of light (of music, theater, etc.), from 1762. Meaning "attended with danger" is from 1800.

Example Sentences for more serious

"But this affair is more serious even than you know," said Juve.

But the Prefect of Paris has formed a more serious opinion, your Excellency.

That screaming is a more serious matter than at first may seem.

It is no more serious than that, and were she out of the way, he would wake as from a dream.

As to the stranger with the black mustache, that was a more serious matter.

And then, more serious even than before: “Denny, is––is that the only reason, now?”

In later lists, books of a more serious sort will be included.

Of course, his wound had been more serious than he would admit.

I think that we have more serious things to think of than masquerading.

If I have ever trifled with my subject, it was a more serious fault.