Synonyms, Grade 7: Difficult

Learn this list of synonyms for difficult.
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Full list of words from this list:

words only definitions & notes
  1. strenuous
    taxing to the utmost; testing powers of endurance
  2. arduous
    difficult to accomplish
  3. backbreaking
    characterized by effort to the point of exhaustion
  4. grueling
    characterized by effort to the point of exhaustion
  5. laborious
    characterized by effort to the point of exhaustion
  6. punishing
    characterized by effort to the point of exhaustion
  7. exhausting
    producing exhaustion
  8. wearying
    producing exhaustion
  9. toilsome
    characterized by effort to the point of exhaustion
  10. burdensome
    not easily borne or endured; causing hardship
  11. rigorous
    demanding strict attention to rules and procedures
  12. effortful
    requiring great physical effort
  13. demanding
    requiring more than usually expected or thought due
  14. taxing
    not easily borne; wearing
  15. uphill
    against difficulties
  16. challenging
    requiring full use of your abilities or resources
  17. ambitious
    requiring full use of your abilities or resources
  18. complicated
    difficult to analyze or understand
  19. problematic
    making great mental demands
  20. baffling
    hard to comprehend, solve, or believe
Created on Wed Feb 18 19:53:19 EST 2026 (updated Fri May 01 16:41:26 EDT 2026)

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