arduous

/หˆษ‘หษนdอกส’uษ™s/

IPA: /AA1 R JH UW0 AH0 S/

adjective
  1. 1

    Needing or using up much energy; testing powers of endurance.

    โ€œThe movement towards a peaceful settlement has been a long and arduous political struggle.โ€

  2. 2

    Burning; ardent

  3. 3

    Difficult or exhausting to traverse.

Source: https://en.wiktionary.org/wiki/arduous