strenuous

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

1. characterized by or performed with much energy or force (Freq. 1)
- strenuous exercise
• Similar to:
energetic
• Derivationally related forms:
strain, strenuousness, strenuosity
2. taxing to the utmost;
testing powers of endurance
- his final, straining burst of speed
- a strenuous task
- "your willingness after these six arduous days to remain here"- F.D.Roosevelt
• Syn:
arduous, straining
• Similar to:
effortful
• Derivationally related forms:
strain, strenuousness, arduousness (for: arduous)

• Từ đồng nghĩa / Synonyms:
  arduous, straining