Serious example sentences
Related (15): grave, severe, critical, urgent, important, solemn, earnest, sincere, weighty, substantial, significant, momentous, trivial, lighthearted, joking
"Serious" Example Sentences
Common Phrases
- get serious
- take something seriously
- be serious about
- dead serious
- serious business
- serious consequences
- serious problem
- serious threat
- serious injury
- serious damage
- serious mistake
- serious consideration
- serious matter
- serious tone
- serious expression
Examples by Level
A1
- This is serious.
- My teacher said the test is serious.
- He has a serious face right now.
A2
- She got serious when I told her about the accident.
- The doctor looked serious and asked me to sit down.
- It was a serious problem, so we called the police.
B1
- Things got serious pretty quickly once the boss found out about the mistake.
- He's usually joking around, but when he talks about his family, he gets serious.
- I didn't think it was serious at first — then the hospital called.
B2
- The conversation took a serious turn when she mentioned she might move away.
- There's something almost unsettling about how serious he becomes when discussing politics.
- She'd never been one to take things seriously, which made her serious tone that night all the more alarming.
C1
- What began as a casual disagreement evolved into something far more serious, exposing fractures neither of them had acknowledged.
- The implications of the report were serious enough to warrant an immediate review of the entire department's protocols.
- He maintained a serious demeanor throughout the interview, though his hands betrayed a barely concealed anxiety.
C2
- There's a particular gravity to serious conversations that happen late at night — the kind where people finally say what they've been holding back for months.
- She'd learned long ago that the most serious threats rarely announce themselves; they arrive quietly, almost politely.
- The serious work of rebuilding trust, he understood, would take far longer than the careless moment that had shattered it.
Examples by Scenario
🏠 Everyday Life
- My kid asked me a serious question about death yesterday and I had no idea what to say.
- The neighbor's serious tone when he knocked on the door made me think something was actually wrong.
- I've never seen my dad get serious about anything except his garden.
💼 Workplace
- The meeting got serious when someone mentioned the budget cuts were permanent.
- My manager pulled me aside with a serious look and I immediately thought I was getting fired.
- She's usually chatty, but she gets serious when clients are in the room.
📊 Business
- The serious decline in quarterly sales forced us to reconsider our entire marketing strategy.
- We took a serious risk launching the product without more testing, but it paid off.
- The board's serious concerns about supply chain vulnerability led to a complete restructuring.
🛒 Buying / Shopping
- The salesman got serious when I asked about the warranty and suddenly the price didn't seem so bad.
- I'm not usually serious about spending this much, but this mattress is actually worth it.
- The reviews were serious red flags — half the people said it broke within a month.
✈️ Travel
- Things got serious when we realized we'd left our passports at the hotel.
- The flight attendant's serious announcement about turbulence made everyone stop talking.
- Traveling solo for the first time felt serious and terrifying in the best way.
📚 Education
- My teacher gave me a serious talk about my grades and I actually started studying.
- The principal's serious expression when she called the assembly made everyone nervous.
- Getting into university felt serious in a way nothing else in high school did.
❤️ Relationships
- We had a serious conversation about moving in together and everything shifted after that.
- He got serious for the first time all night and asked if I was happy.
- The serious look in her eyes when she said goodbye told me this wasn't temporary.
📰 News / Politics
- The serious allegations against the senator dominated the news cycle for weeks.
- Economists issued a serious warning about inflation, but politicians largely ignored it.
- The report's serious findings about climate impact finally forced some policy changes.
💻 Technology
- The security breach was serious enough that the company offered free credit monitoring.
- I got a serious warning from my antivirus software and immediately shut everything down.
- The AI's serious limitations became obvious once we tried using it for actual work.
📝 Formal Writing
- The serious implications of the study suggest that current protocols require immediate revision.
- This report documents serious violations of workplace safety standards across multiple facilities.
- The committee's serious reservations regarding the proposed merger are outlined in Section 4 of this document.