fiero

See also: Fiero

Esperanto

Etymology

Etymology tree

French fierbor.

Esperanto fiera

Proto-Indo-European *-ós

Proto-Indo-European *-os

Proto-Indo-European *-ós

Proto-Indo-European *-ós

Proto-Indo-European *-ós

Proto-Indo-European *-ós

Proto-Indo-European *-os

Proto-Italic *-os

Archaic Latin -os

Latin -um

Italian -oder.

Proto-Indo-European *-om

Proto-Italic *-om

Archaic Latin -om

Latin -um

Spanish -oder.

Ancient Greek -οι (-oi)der.

Esperanto -o

Esperanto fiero

From fiera + -o.

Pronunciation

• IPA^(key): /fiˈero/

• Audio:

  (file)

• Rhymes: -ero
• Syllabification: fi‧e‧ro

Noun

fiero (uncountable, accusative fieron)

1. pride (something one is proud of)

   Synonym: fieraĵo

   Mia filino estas la fiero de nia familio.

   My daughter is the pride of our family.

2. pride (quality or feeling of being proud)

   Synonym: fiereco

Usage notes

Unlike orgojlo, fiero does not carry negative connotations of hubris.

Italian

Etymology 1

From earlier fero, from Latin ferus.

Pronunciation

• IPA^(key): /ˈfjɛ.ro/
• Rhymes: -ɛro
• Hyphenation: fiè‧ro

Adjective

fiero (feminine fiera, masculine plural fieri, feminine plural fiere, superlative fierissimo)

1. (literary) fierce, specifically:
   1. cruel, merciless

      Synonyms: crudele, efferato, feroce, spietato

      1. (figurative) fiercely hostile (of fate)
      2. (by extension) frightening, intimidating (of a face)

         Synonyms: orribile, spaventoso

   2. frightening, ghastly, horrible
   3. savage, violent (of a struggle)
   4. furious, raging (of natural forces)
   5. intense, vehement (of feelings or expressions)
2. (uncommon) audacious, bold, daring

   Synonyms: audace, intrepido

3. proud

   Sono fiero di te. ― I am proud of you.

   Synonyms: altero, orgoglioso

Alternative forms

• fero (archaic, poetic)

Derived terms

• fieramente
• fierezza

Etymology 2

Suppletively from fire.

Verb

fìero

1. (poetic) Old Italian form of saranno, third-person plural future of essere and fire
   • 1300s–1310s, Dante Alighieri, “Canto III”, in Inferno [Hell], lines 76-78; republished as Giorgio Petrocchi, editor, La Commedia secondo l'antica vulgata [The Commedia according to the ancient vulgate], 2^nd revised edition, Florence: publ. Le Lettere, 1994:

     Le cose ti fuer conte
     quando a noi fermerem li nostri passi
     su la trista riviera d'Acheronte.

     (please add an English translation of this quotation)

Alternative forms

• fier (apocopic)
• fieno

Further reading

• “fiero”, in Vocabolario Treccani on line (in Italian), Istituto dell'Enciclopedia Italiana, 2026

Anagrams

• -ifero, Fiore, efori, fiore

Northern Sami

Pronunciation

• (Kautokeino) IPA^(key): /ˈfi̯ero/

Verb

fiero

1. inflection of fierrut:
   1. present indicative connegative
   2. second-person singular imperative
   3. imperative connegative

Old Spanish

Etymology

From Latin ferus

Pronunciation

• IPA^(key): /ˈfjeɾo/

Adjective

fiero (feminine singular fiera, masculine plural fieros, feminine plural fieras)

1. savage, wild
   • c. 1200, Almerich, Fazienda de Ultramar, f. 14r:

     Dẏxo nr̃o ſẽnor amoẏſen. maduꝛga ala mannana ⁊ di a pharaon. Q ẏol digo q̃ dexe mio pueblo. E ſi nõblo dexare echare en el ẏenſos vaſſallos beſtias fieras. ⁊ emplir ſe an todas las caſas ⁊ todala tr̃a. E marauillar ſe an en es dẏa.

     [Dixo nuestro Sennor a Moysen. “Madurga a la mannana e di a Pharaon que yo-l digo que dexe mío pueblo, e si non lo dexare, echaré en él e en sos vassallos bestias fieras, e emplir-se-án todas las casas e toda la tierra, e maravillar-se-án en es día.”]

     Our Lord said unto Moses, “Rise early in the morning and say unto Pharaoh that I order he let my people go, and that should he not let them go, I will unleash upon him and his servants savage beasts, and they will fill every house and all the earth, and on that day they will be awed. […]”

Descendants

• Spanish: fiero, fiera

Spanish

Etymology

Inherited from Old Spanish fiero, from Latin ferus.

Pronunciation

• IPA^(key): /ˈfjeɾo/ [ˈfje.ɾo]
• Rhymes: -eɾo
• Syllabification: fie‧ro

Adjective

fiero (feminine fiera, masculine plural fieros, feminine plural fieras)

1. wild (of an animal, living in the wild)

   Synonym: salvaje

2. wild, fierce, ferocious

   Synonym: feroz

3. biting, searing (pain)

Further reading

• “fiero”, 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