un·bound·ed
adjective/ʌnˈbaʊndɪd/
/ʌnˈbaʊndɪd/
(formal)- having, or seeming to have, no limits
（似）无限的；无尽的；无穷的 - her unbounded energy
她的无限精力
Oxford Collocations DictionaryUnbounded is used with these nouns:- enthusiasm
- her unbounded energy