Arduous
Involving or requiring strenuous effort; difficult and tiring. (?????????/????)
Synonyms: Onerous, Laborious, Strenuous, Taxing
Antonyms: Easy, Effortless, Simple, Painless
Example: Clearing the civil services in one attempt is an arduous task that demands relentless discipline.
Trick to remember: Arduous = “hard-to-do-us” — jo काम hard to do हो, वो ही arduous; yaad रखो: “आरंभ किया तो मेहनत होगी—arduous.” 
Learn it with 19 more words: Daily Vocabulary – 10 November 2025 →
