arduous

• Describe una tarea o actividad que es difícil, agotadora y que requiere un gran esfuerzo.

Describes a task or activity that is difficult, tiring, and requires a lot of effort.

1. Physically demandingB2formal

   Involving or requiring a lot of effort and energy, often to the point of exhaustion.

   agotador, extenuante

   • The arduous climb up the mountain left them breathless.
   • She completed the arduous marathon despite the heat.
   • The soldiers endured an arduous training exercise.

   Sinónimosbackbreakingdemandingexhaustinggruelinghardlaboriouspunishingstrenuoustaxingtough

   Antónimoseasyeffortlesslightsimpleundemanding

2. Testing enduranceB2formal

   Challenging one's stamina, patience, or strength to the maximum.

   agotador

   • The long journey through the desert was arduous and dangerous.
   • He faced an arduous legal battle to prove his innocence.
   • The arduous process of recovery tested her willpower.

   Sinónimosbackbreakingdemandingexhaustinggruelinghardheavylaboriouspunishingrigorousseverestrenuoustaxingtoilsometoughtryingwearing

   Antónimoseasylightsimpletrivialundemanding

3. Mentally challengingB2formal

   Requiring significant mental effort, skill, or concentration to accomplish.

   Difícil mentalmente

   • Writing a thesis is an arduous intellectual task.
   • The puzzle was so arduous that few could solve it.
   • Learning a new language can be an arduous but rewarding experience.

   Sinónimoschallengingdemandingdifficultformidablehardrigoroustaxingtough