Adjective
Synonyms by this part of speech
Sturdy and firm under pressure
- solid
- firm
- rigid
- strong
- tough
- durable
- hardened
- robust
- steely
- stiff
Demanding significant physical or mental exertion
- exhausting
- grueling
- laborious
- strenuous
- tiring
- tough
- backbreaking
- bothersome
- burdensome
- demanding
Strong and determined in approach or action
- forceful
- powerful
- mighty
- powerhouse
- strong
- explosive
- ferocious
- intense
- almighty
- blistering