febril

Catalan

Etymology

Borrowed from Medieval Latin febrilis, from Latin febris.

Pronunciation

• IPA^(key): (Northern, Central) [fəˈβɾil]
• IPA^(key): (Balearic) [fəˈbɾil]
• IPA^(key): (Valencia) [feˈbɾil]
• IPA^(key): (Northwestern) [feˈβɾil]

• Audio (Barcelona):

  (file)

Adjective

febril m or f (masculine and feminine plural febrils)

1. febrile, feverish

Derived terms

• febrilment

Related terms

• febre

Danish

Etymology

Borrowed from Medieval Latin febrilis, from Latin febris.

Adjective

febril

1. febrile (feverish)

Inflection

Inflection of febril

	positive	comparative	superlative
indefinite common singular	febril	—	—2
indefinite neuter singular	febrilt	—	—2
plural	febrile	—	—2
definite attributive1	febrile	—	—

¹ When an adjective is applied predicatively to something definite,
the corresponding "indefinite" form is used.
² The "indefinite" superlatives may not be used attributively.

Related terms

• feber
• febrilsk

German

Etymology

Borrowed from Medieval Latin febrilis, from Latin febris.

Pronunciation

• IPA^(key): /feˈbʁiːl/

• Audio (Germany (Berlin)):

  (file)

Adjective

febril (strong nominative masculine singular febriler, not comparable)

1. febrile

Declension

Positive forms of febril (uncomparable)

number & gender		singular			plural
		masculine	feminine	neuter
predicative		er ist febril	sie ist febril	es ist febril	sie sind febril
strong declension (without article)	nominative	febriler	febrile	febriles	febrile
	genitive	febrilen	febriler	febrilen	febriler
	dative	febrilem	febriler	febrilem	febrilen
	accusative	febrilen	febrile	febriles	febrile
weak declension (with definite article)	nominative	der febrile	die febrile	das febrile	die febrilen
	genitive	des febrilen	der febrilen	des febrilen	der febrilen
	dative	dem febrilen	der febrilen	dem febrilen	den febrilen
	accusative	den febrilen	die febrile	das febrile	die febrilen
mixed declension (with indefinite article)	nominative	ein febriler	eine febrile	ein febriles	(keine) febrilen
	genitive	eines febrilen	einer febrilen	eines febrilen	(keiner) febrilen
	dative	einem febrilen	einer febrilen	einem febrilen	(keinen) febrilen
	accusative	einen febrilen	eine febrile	ein febriles	(keine) febrilen

Norwegian Bokmål

Etymology

From French fébrile, from Latin febrilis.

Adjective

febril (masculine and feminine febril, neuter febrilt, definite singular and plural febrile)

1. febrile, feverish

Derived terms

• febrilsk

References

• “febril” in The Bokmål Dictionary.
• “febril” in Norwegian Academy Dictionary (NAOB).

Norwegian Nynorsk

Etymology

From French fébrile, from Latin febrilis.

Adjective

febril (neuter febrilt, definite singular and plural febrile)

1. febrile, feverish

Derived terms

• febrilsk

References

• “febril” in The Nynorsk Dictionary.

Portuguese

Etymology

Borrowed from Medieval Latin febrilis, from Latin febris. By surface analysis, febre +‎ -il.

Pronunciation

• (Brazil) IPA^(key): /feˈbɾiw/ [feˈbɾiʊ̯]

 

• (Portugal) IPA^(key): /fɨˈbɾil/ [fɨˈβɾiɫ]

• (Portugal) IPA^(key): /fɨˈbɾil/ [fɨˈβɾiɫ]
  • (Southern Portugal) IPA^(key): /fɨˈbɾi.li/

• Rhymes: (Portugal) -il, (Brazil) -iw
• Hyphenation: fe‧bril

Adjective

febril m or f (plural febris)

1. febrile; feverish

Derived terms

• febrilmente

Related terms

• febre

Further reading

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

Romanian

Etymology

Etymology tree

Latin febris

Proto-Indo-European *-elis

Proto-Italic *-elis

Latin -ilis

Latin -īlis

Latin febrilis

French fébrilebor.

Romanian febril

Borrowed from French fébrile, from Latin febrilis.

Adjective

febril m or n (feminine singular febrilă, masculine plural febrili, feminine/neuter plural febrile)

1. febrile

Declension

Declension of febril

		singular			plural
		masculine	neuter	feminine	masculine	neuter	feminine
nominative- accusative	indefinite	febril		febrilă	febrili	febrile
	definite	febrilul		febrila	febrilii	febrilele
genitive- dative	indefinite	febril		febrile	febrili	febrile
	definite	febrilului		febrilei	febrililor	febrilelor

Related terms

• febrilitate

Spanish

Etymology

Etymology tree

Latin febris

Proto-Indo-European *-elis

Proto-Italic *-elis

Latin -ilis

Latin -īlis

Medieval Latin febrilislbor.

Spanish febril

Learned borrowing from Medieval Latin febrilis, from Latin febris (“fever”) + -īlis.

Pronunciation

• IPA^(key): /feˈbɾil/ [feˈβ̞ɾil]
• Rhymes: -il
• Syllabification: fe‧bril

Adjective

febril m or f (masculine and feminine plural febriles)

1. febrile, feverish
2. hectic
   • 1915, Julio Vicuña Cifuentes, Mitos y Supersticiones Recogidos de la Tradición Oral Chilena, page 197:

     Púsose el Diablo a la obra con febril actividad.

     (please add an English translation of this quotation)

Derived terms

• antifebril
• febrilmente

Related terms

• fiebre

Further reading

• “febril”, 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

Swedish

Adjective

febril (not comparable)

1. feverish, frantic (intense and busy)

   Vi arbetar febrilt för att lösa problemen

   We are working feverishly to solve the problems

   Det råder febril aktivitet på fabriksgolvet

   There is frantic activity on the factory floor / the factory floor is bustling with activity

2. (medicine) febrile

Declension

Inflection of febril

Indefinite	positive	comparative	superlative1
common singular	febril	—	—
neuter singular	febrilt	—	—
plural	febrila	—	—
masculine plural2	febrile	—	—
Definite	positive	comparative	superlative
masculine singular3	febrile	—	—
all	febrila	—	—

¹ The indefinite superlative forms are only used in the predicative.
² Dated or archaic.
³ Only used, optionally, to refer to things whose natural gender is masculine.

References

• “febril”, in Svensk ordbok [Dictionary of Swedish] (in Swedish)
• “febril”, in Svenska Akademiens ordlista [Wordlist of the Swedish Academy] (in Swedish)
• “febril”, in Svenska Akademiens ordbok [Dictionary of the Swedish Academy] (in Swedish)