crepuscular

Learned borrowing from Latin crepusculum + -ar.

• (UK) IPA^(key): /kɹɪˈpʌs.kjʊ.lə/
• (US) IPA^(key): /kɹɪˈpʌs.kjə.lɚ/

• Audio (US):

  (file)

• Rhymes: -ʌskjʊlə(ɹ)

crepuscular (comparative more crepuscular, superlative most crepuscular)

1. Of or resembling twilight; dim.

   Synonym: twilightish

2. (zoology) Active at or around dusk, dawn or twilight.
   • 1999, J. Anne Helgren, Communicating with Your Cat‎^[1], →ISBN, page 51:

     That's why cats are crepuscular — most active at dawn and dusk — because mice and rats forage for food during these hours when fewer of their natural enemies are around.

From Latin crepusculum +‎ -ar.

• IPA^(key): (Central) [kɾə.pus.kuˈlar]
• IPA^(key): (Balearic) [kɾə.pus.kuˈla]
• IPA^(key): (Valencia) [kɾe.pus.kuˈlaɾ]

crepuscular m or f (masculine and feminine plural crepusculars)

1. crepuscular

• crepuscle

• “crepuscular”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2026

crepuscular m or f (plural crepusculares)

1. crepuscular

• crepúsculo

crepuscular m or f (plural crepusculares, not comparable)

1. crepuscular

• crepúsculo

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

Borrowed from French crépusculaire.

crepuscular m or n (feminine singular crepusculară, masculine plural crepusculari, feminine/neuter plural crepusculare)

1. crepuscular

• crepuscul

• IPA^(key): /kɾepuskuˈlaɾ/ [kɾe.pus.kuˈlaɾ]
• Rhymes: -aɾ
• Syllabification: cre‧pus‧cu‧lar

crepuscular m or f (masculine and feminine plural crepusculares)

1. crepuscular

• “crepuscular”, 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