unofficially

US 
UK [ˌʌnə'fɪʃəli]
  • adv.非正式地
  • Web非正式的;非官方地;内定
adv.
1.
非正式地

Sample Sentence

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