English–French dictionary

French translation of the English word arduousness

English → French
  
EnglishFrench (translated indirectly)Esperanto
(challenging; exacting; formidable; hard; heavy; tough)
laborieux
;
pénible
(difficult; hard; tough);
dur
;
penible
🔗 My task is arduous.

EnglishFrench
arduousness difficulté
arduous ardu