Definition of serious
1 : thoughtful or subdued in appearance or manner : sober a quiet, serious girl
2a : requiring much thought or work serious studyb : of or relating to a matter of importance a serious play
4a : not easily answered or solved serious objectionsb : having important or dangerous possible consequences a serious injury
5 : excessive or impressive in quality, quantity, extent, or degree serious stereo equipment making serious money serious drinking
Examples of serious in a Sentence
“You sound terrible.” “It's just a bad cold. Nothing serious.”
For my brother, not going to college was a serious mistake.
Crime is a serious problem in this neighborhood.
The team is a serious contender for the championship.
If you want to quit smoking, you have to make a serious effort.
They had a serious conversation about their relationship.
a serious novel about modern life
The story raises serious questions about our system of justice.
Dog shows are a serious business.
She is a serious cyclist who rides 200 miles each week.
Recent Examples of serious from the Web
Even people who had voiced concerns to authorities remained unaware of the most serious allegations.
Since 2011, 20% of cases heard found no policy violation and imposed no penalty; 35% ended with only a reprimand or probation; more serious or repeated cases resulted in stiffer penalties including expulsion.
Jennifer Reiner and Robert White are serious about creating unique spaces for their residential and corporate clients throughout the South.
The game, with its battering-ram formations and minimal equipment, saw nineteen deaths, a hundred and thirty-seven serious injuries, and countless broken bones.
It's filled with mix of Briargrove burghers and visiting city-center foodies, drawn by Rucker's reputation for serious local and seasonal fare.
But the bachelor-casual style (Power doesn’t do his own laundry and has been known to wear a T-shirt as makeshift underwear) is balanced by the steely discipline of serious gamblers.
Amazon, after all, will eventually find Wal-Mart is a very serious competitor in its virtual town, too.
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Origin and Etymology of serious
Middle English seryows, from Anglo-French or Late Latin; Anglo-French serious, from Late Latin seriosus, alteration of Latin serius weighty, serious; probably akin to Old English swǣr heavy, sad
First Known Use: 15th century
Synonym Discussion of serious
SERIOUS Defined for English Language Learners
Definition of serious for English Language Learners
: having an important or dangerous possible result
: involving or deserving a lot of thought, attention, or work
: giving a lot of attention or energy to something
SERIOUS Defined for Kids
Definition of serious for Students
1 : not joking or funny a serious drama
2 : being such as to cause distress or harm a serious accident
3 : thoughtful or quiet in appearance or manner a serious person
4 : requiring much thought or work a serious task
Medical Definition of serious
: having important or dangerous possible consequences a serious injury
Seen and Heard
What made you want to look up serious? Please tell us where you read or heard it (including the quote, if possible).