irreplaceable

US [ˌɪrɪˈpleɪsəb(ə)l]
UK 
  • adj.无法取代的
  • Web无可取代;不能替换的;不可替代的
irreplaceable
adj.
1.
(因贵重或独特)不能替代的too valuable or special to be replaced

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard