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  • adj

Synonyms for serious

Synonyms for serious

full of or marked by dignity and seriousness

marked by sober sincerity

having great consequence or weight

causing or marked by danger or pain, for example

not easy to do, achieve, or master

Synonyms for serious

concerned with work or important matters rather than play or trivialities


of great consequence

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causing fear or anxiety by threatening great harm

appealing to the mind


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completely lacking in playfulness

requiring effort or concentration

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References in classic literature ?
And this will now plainly appear, if, instead of serious and comic, we supply the words duller and dullest; for the comic was certainly duller than anything before shown on the stage, and could be set off only by that superlative degree of dulness which composed the serious.
To say the truth, these soporific parts are so many scenes of serious artfully interwoven, in order to contrast and set off the rest; and this is the true meaning of a late facetious writer, who told the public that whenever he was dull they might be assured there was a design in it.
There was everything in the world against their being serious but his words and manner.
I have not made a serious reply since I gave up practice at the Scottish Bar.
We were both engaged in the serious business of croquet at the time--and it was doubtful which of us did that business most clumsily.
'Assuming your absurd superstition to be a serious thing, you are taking the wrong means to prove it true.
And only a few moments ago you reproached me for not being serious. I wonder who is the serious person of us two now."
The doctor, on being consulted, was of opinion that serious opposition to her wishes would, in all probability, produce another and perhaps a fatal fit of illness, and Mrs.
"So serious that I must take leave of you for a few days; so," added he, turning to Renee, "judge for yourself if it be not important."
He had learned that Dantes had been taken to prison, and he had gone to all his friends, and the influential persons of the city; but the report was already in circulation that Dantes was arrested as a Bonapartist agent; and as the most sanguine looked upon any attempt of Napoleon to remount the throne as impossible, he met with nothing but refusal, and had returned home in despair, declaring that the matter was serious and that nothing more could be done.
"I have never been more serious in my life," he insisted.
It was a kind of serious, almost sorrowful displeasure, which I soon learnt carefully to avoid awakening.
Nine more speaking characters were left to be fitted with representatives; and with that unavoidable necessity the serious troubles began.
If, therefore, he so notoriously failed in this regard, there must be a serious cause for it.
Sometimes they say, "Oh, how very serious you have made me look, Miss La Creevy!" and at others, "La, Miss La Creevy, how very smirking!" when the very essence of a good portrait is, that it must be either serious or smirking, or it's no portrait at all.'