• rigoroso

From Latin rigorosus. By surface analysis, rigor +‎ -oso.

• IPA^(key): /riɡuˈɾoso/ [ri.ɣ̞uˈɾo.so]
• Rhymes: -oso
• Syllabification: ri‧gu‧ro‧so

riguroso (feminine rigurosa, masculine plural rigurosos, feminine plural rigurosas)

1. rigorous
   • a. 1921, Emilia Pardo Bazán, Otro añito:

     La cena, opípara y alegre, se pagaba por riguroso turno[…]

     The dinner, sumptuous and cheerful, was paid by rigorous turn.[…]

2. harsh

   un penalti rigurosos ― a harsh penalty

• “riguroso”, 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