misterioso

Asturian

Adjective

misterioso

1. neuter of misteriosu

Galician

Etymology

From misterio + -oso.

Adjective

misterioso (feminine misteriosa, masculine plural misteriosos, feminine plural misteriosas)

1. mysterious

Derived terms

• misteriosamente

Further reading

• “misterioso”, in Dicionario da Real Academia Galega (in Galician), A Coruña: Royal Galician Academy, 2012–2026

Italian

Etymology

From misterio +‎ -oso.

Pronunciation

• IPA^(key): /mis.teˈrjo.zo/, (traditional) /mis.teˈrjo.so/
• Rhymes: -ozo, (traditional) -oso
• Hyphenation: mi‧ste‧rió‧so

Adjective

misterioso (feminine misteriosa, masculine plural misteriosi, feminine plural misteriose)

1. mysterious, secret, enigmatic, puzzling

   Synonyms: enigmatico, segreto

Derived terms

• misteriosamente
• misteriosità

Related terms

• mistero

Portuguese

Alternative forms

• mysterioso (pre-standardization spelling)

Etymology

From mistério + -oso.

Pronunciation

 

• (Brazil) IPA^(key): /mis.te.ɾiˈo.zu/, (faster) /mis.teˈɾjo.zu/

• (Brazil) IPA^(key): /mis.te.ɾiˈo.zu/, (faster) /mis.teˈɾjo.zu/
  • (Rio de Janeiro) IPA^(key): /miʃ.te.ɾiˈo.zu/, (faster) /miʃ.teˈɾjo.zu/

• (Portugal) IPA^(key): /miʃ.tɨˈɾjo.zu/

• Rhymes: -ozu
• Hyphenation: mis‧te‧ri‧o‧so

Adjective

misterioso (feminine misteriosa, masculine plural misteriosos, feminine plural misteriosas, metaphonic)

1. mysterious
   • 1880, Maria Amalia Vaz de Carvalho, “A morte de Bertha [Bertha’s death]”, in Contos e phantasias [Short stories and fantasies]‎^[1], 2nd edition, Lisbon: Parceria Antonio Maria Pereira, published 1905, page 224:

     O jardim era, pois, para a nossa Bertha um mundo riquissimo, um mundo mysterioso, onde a vida palpitava, no insecto, na planta, no musgo, na ave […]

     The garden was, thus, for our Bertha a most rich world, a mysterious world, where live blossomed, in the bugs, in the plants, in the moss, in the birds […]

Derived terms

• misteriosamente

Further reading

• “misterioso”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026
• “misterioso”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026

Spanish

Etymology

Etymology tree

Proto-Indo-European *mewH-

Proto-Indo-European *mewH-ye-der.

Ancient Greek μῡ́ω (mū́ō)

Proto-Indo-European *-eti

Proto-Indo-European *-eyéti

Proto-Indo-European *-esyéti

Proto-Indo-European *-éh₁ti

Proto-Indo-European *-yeti

Proto-Indo-European *-éh₁yeti

Proto-Indo-European *-yeti

Proto-Indo-European *-éyeti

Ancient Greek -έω (-éō)

Ancient Greek μῠέω (mŭéō)

Proto-Indo-European *-tósder.

Ancient Greek -της (-tēs)

Ancient Greek μῠ́στης (mŭ́stēs)

Proto-Indo-European *-yóm

Proto-Hellenic [Term?]

Ancient Greek -ῐον (-ĭon)

Ancient Greek μῠστήρῐον (mŭstḗrĭon)bor.

Latin mystēriumbor.

Spanish misterio

Proto-Indo-European *h₃ed-

Proto-Indo-European *-os

Proto-Indo-European *h₃édosder.?

Proto-Italic *-ŏ̄dsos?

Old Latin -ōssus

Latin -ōsus

Old Spanish -oso

Spanish -oso

Spanish misterioso

From misterio + -oso.

Pronunciation

• IPA^(key): /misteˈɾjoso/ [mis.t̪eˈɾjo.so]
• Rhymes: -oso
• Syllabification: mis‧te‧rio‧so

Adjective

misterioso (feminine misteriosa, masculine plural misteriosos, feminine plural misteriosas)

1. mysterious
2. mystery (e.g. mystery lover [in an affair], mystery man or woman [in a case or investigation])
3. eerie (e.g. an eerie place, an eerie air or glow, eerie music)
4. uncanny (e.g. uncanny knowledge or ability)

Derived terms

• misteriosamente

Further reading

• “misterioso”, 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