punishing
adjective /ˈpʌnɪʃɪŋ/
/ˈpʌnɪʃɪŋ/
[usually before noun]- long and difficult and making you work hard so you become very tired
- The President has a punishing schedule for the next six months.
- a punishing exercise regime
Oxford Collocations DictionaryPunishing is used with these nouns:- schedule