serio

See also: Serio, sério, and Sério

Asturian

Adjective

serio

1. neuter of seriu

Chavacano

Etymology

Inherited from Spanish serio (“serious”).

Pronunciation

• IPA^(key): /ˈseɾjo/, [ˈse.ɾjo]
• Hyphenation: se‧rio

Adjective

serio

1. serious

Esperanto

Etymology

From French série, Italian serie, English series, German Serie, Polish seria, Russian се́рия (sérija), all from Latin seriēs. Compare Yiddish סעריע (serye).

Pronunciation

• IPA^(key): /seˈrio/

• Audio 1:

  (file)

• Audio 2:

  (file)

• Rhymes: -io
• Syllabification: se‧ri‧o

Noun

serio (accusative singular serion, plural serioj, accusative plural seriojn)

1. series

Derived terms

• seria (“serial”)

Further reading

• “serio”, in Plena Ilustrita Vortaro de Esperanto [Complete Illustrated Dictionary of Esperanto], 2020, →ISBN
• “serio”, in Reta Vortaro [Online Dictionary] (in Esperanto), 1997-2026

Italian

Etymology

From Latin sērius (“grave, earnest, serious”), from Proto-Indo-European *swer- (“heavy”).

Pronunciation

• IPA^(key): /ˈsɛ.rjo/

• Audio:

  (file)

• Homophone: Serio
• Rhymes: -ɛrjo
• Hyphenation: sè‧rio

Adjective

serio (feminine seria, masculine plural seri, feminine plural serie, superlative serissimo)

1. serious
2. earnest

Derived terms

• semiserio (“semi-serious”, adjective)
• seriamente

Anagrams

• erosi, ireos, irose, rosei, siero, siero-

Latin

Pronunciation

• (Classical Latin) IPA^(key): [ˈseː.ri.oː]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈsɛː.ri.o]

Adjective

sēriō

1. dative/ablative masculine/neuter singular of sērius

References

• “serio”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “serio”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• “serio”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.
• Carl Meißner; Henry William Auden (1894), Latin Phrase-Book‎^[1], London: Macmillan and Co.
  • (ambiguous) to say in earnest..: serio dicere (Plaut. Bacch. 1. 1. 42)
    

Polish

Pronunciation

• IPA^(key): /ˈsɛ.rjɔ/

• Audio:

  (file)

• Rhymes: -ɛrjɔ
• Syllabification: se‧rio

Etymology 1

Borrowed from Italian serio, from Latin sērius.

Adjective

serio (comparative bardziej serio, superlative najbardziej serio, no derived adverb)

1. (colloquial) serious (without humor or expression of happiness)

   Synonym: poważny

   Antonym: niepoważny

Adverb

serio (comparative bardziej serio, superlative najbardziej serio)

1. (informal) in earnest, seriously

   Synonyms: na poważnie, na serio, nie na żarty, poważnie

   Mówisz serio? ― You're not joking, are you?

2. (informal) seriously, wholeheartedly

   Potraktuj sprawę serio. ― Treat this matter seriously.

Particle

serio

1. for real, seriously (let's be serious)

   Synonyms: na poważnie, na serio

Etymology 2

See the etymology of the corresponding lemma form.

Noun

serio f

1. vocative singular of seria

Further reading

• “serio”, in Wielki słownik języka polskiego‎^[2] (in Polish), Instytut Języka Polskiego PAN
• “serio”, in Polish dictionaries at PWN‎^[3] (in Polish)

Portuguese

Etymology 1

Verb

serio

1. first-person singular present indicative of seriar

Etymology 2

Adjective

serio (feminine seria, masculine plural serios, feminine plural serias)

1. pre-reform spelling (used until 1943 in Brazil and 1911 in Portugal) of sério

Spanish

Pronunciation

• IPA^(key): /ˈseɾjo/ [ˈse.ɾjo]
• Rhymes: -eɾjo
• Syllabification: se‧rio

Etymology 1

From Latin sērius.

Adjective

serio (feminine seria, masculine plural serios, feminine plural serias, superlative serísimo)

1. serious, earnest, sober, solemn (without humor)
   • 1998, Vicente Francisco Torres M., La novela bolero latinoamericana, UNAM, →ISBN, page 168:

     Nunca te vuelvas una persona seria.

     Never become a serious person.

2. serious, grave, deep (important, weighty)

   Synonym: grave

   • 1888, Armando Palacio Valdés, El cuarto poder, Library of Alexandria, →ISBN:

     […] y quisiera hablar con usted de un asunto serio, a ver qué me aconseja.

     […] and I wanted to speak with you about a serious matter, to see what advice you give.

3. serious (really intending what was said)
4. straight (demeanor)

   Mi culpa. Solo no podía mantener la cara seria por mucho tiempo. Era imposible.

   My bad. I just couldn't keep a straight face for very long. It was impossible.

5. staid (formal)

   Su despedida de soltero parece que va a ser un evento muy serio. Digo, se espera que usemos vestimenta formal.

   His bachelor party seems like it's going to be a very staid affair. I mean, we are expected to wear formal attire.

Derived terms

• en serio
• enseriar
• hablar en serio (“to be serious”)
• seriamente
• seriar
• tomarse en serio (“to take to heart, to take seriously”)

Related terms

• seriedad

Descendants

• → Catalan: sério
• → Ye'kwana: sediuje

Etymology 2

See the etymology of the corresponding lemma form.

Verb

serio

1. first-person singular present indicative of seriar

Further reading

• “serio”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025