What does "serious" mean?
Without humor or expression of happiness; grave in manner or disposition.
Serious
/ˈsɪə̯.ɹi.əs/ adj, adv, slang
adj, adv, slang ·Very common ·Middle school level
Meaning at a glance
- Primary sense: Without humor or expression of happiness; grave in manner or disposition.
- Grammar: serious is listed as adj, adv, slang.
- Nearest alternatives: grave, severe, abandoned, academic communities.
- Useful contrasts: carefree, flippant, gaudy.
- Usage evidence: It's not serious, I don't bear him a grudge.
How to use "serious"
- Start with the primary definition, then check the part of speech before placing the word in a sentence.
- Compare nearby synonyms to make sure "serious" carries the exact meaning, tone, and strength you need.
- Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.
Meaning check
- Does the word fit the sentence's grammar?
- Does it match the intended tone rather than only the dictionary definition?
- Would a simpler synonym be clearer for the reader?
- Is there enough surrounding context to prevent ambiguity?
Source and review context
This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "serious" in a final draft.
If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.
Before you rely on this definition
Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "serious" as the right word for your sentence.
If your draft is formal, technical, persuasive, or sensitive, compare "serious" with a nearby alternative so the final choice matches both meaning and reader expectation.
Compare nearby meanings
- Use synonyms when you need a softer, stronger, simpler, or more specific word.
- Use antonyms to check the boundary of the meaning and avoid accidental contrast.
- Use the example sentence to confirm the word behaves naturally in context.
- Keep the original wording when a replacement adds complexity without improving precision.
Definition decision workflow
1. Identify the role
Check whether "serious" is acting as adj, adv, slang in your sentence. A definition is only useful when the grammar matches the way the word is being used.
2. Test the nearest option
Compare it with "grave" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.
3. Confirm with context
Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.
Review note: Definition pages are checked for source coverage, sentence evidence, synonym support, and editorial insight before they are treated as approval-ready pages. If the evidence is too thin, the page remains available to users but is kept out of the approval-facing indexed inventory.
Final meaning check
Before publishing a sentence with "serious", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.
When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.
Definitions
Adjective
- 1 Without humor or expression of happiness; grave in manner or disposition.
"deadly serious"
- 2 Important; weighty; not insignificant.
"This is a serious problem. We'll need our best experts."
- 3 Really intending what is said (or planned, etc); in earnest; not jocular or deceiving.
"After all these years, we're finally getting serious attention."
- 4 Committed.
Adjective
- 1 causing fear or anxiety by threatening great harm wordnet
- 2 requiring effort or concentration; complex and not easy to answer or solve wordnet
- 3 of great consequence wordnet
- 4 appealing to the mind wordnet
- 5 concerned with work or important matters rather than play or trivialities wordnet
Show 1 more definition
- 6 completely lacking in playfulness wordnet
Adverb
- 1 seriously, in a serious manner (most often heard in take or mean serious) colloquial, dialectal, not-comparable
"The only time I walk out on singin' is when there's muckin' about and youse don't take it serious."
Synonyms
All synonymsExample
"It's not serious, I don't bear him a grudge."
Common questions
What is a synonym for "serious"?
Common synonyms include: grave, severe, abandoned, academic communities, acute, acute symptom.
How do you use "serious" in a sentence?
It's not serious, I don't bear him a grudge.
How do you pronounce "serious"?
Pronounced /ˈsɪə̯.ɹi.əs/.
Etymology
From Middle English seryows, from Old French serieux, from Medieval Latin sēriōsus, an extension of Latin sērius (“grave, earnest, serious”), from Proto-Indo-European *swer- (“heavy”). Cognate with German schwer (“heavy, difficult, severe”), Old English swǣr (“heavy, grave, grievous”). More at swear, sweer.