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
Scalise, the third-ranking U.S. House Republican, is listed in serious condition, according to a statement from MedStar Washington Hospital Center on Wednesday night.
The measure offers eligible workers 12 weeks paid time off for the birth or adoption of a child or for the serious medical condition of the worker or the worker’s family member beginning in 2020, or 16 weeks for a combination of both.
But Tonge is slightly more optimistic, in that everyone is taking the issue into serious consideration.
Ed Lockwood knows that sitting on the back of a one-ton beast carries the risk of serious injury -- even death.
The likelihood, experts say, is that some serious mistake by Cunanan or tip from the public will eventually nail him.
Powers, 57, suffered serious complications, resulting in a two-week hospital stay that included visits from several specialists.
Beneath the surface of the unusual unity the European Union has shown in the face of Brexit negotiations looms a serious fight over money among the other 27 nations.
Each of the roughly 30-minute episodes sees the longtime friends musing on the serious (cultural appropriation) and the lighthearted (McDonald’s Shamrock Shakes) alongside guests like comedian Margaret Cho and Radiolab’s Jad Abumrad.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'serious'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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 centurySee Words from the same year
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
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