irresoluble

From ir- +‎ resoluble.

irresoluble (comparative more irresoluble, superlative most irresoluble)

1. difficult if not impossible to resolve; irresolvable.
   • 2025, Aria Aber, Good Girl, Bloomsbury, page 252:

     When I saw him in the hallway with that weary look in his eyes, I thought of Kafka writing of his father, that the difference between them was one of temperament, as if their rift was irresoluble, no one’s fault.

From Latin irresolūbilis.

irresoluble m or f (masculine and feminine plural irresolubles)

1. irresoluble

• “irresoluble”, 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