LEARNit Dictionary
unofficially
adverb
/ˌʌnəˈfɪʃəli/
UK
/ˌʌnəˈfɪʃəli/
US
1
without having permission or approval from somebody in authority
به طور غیررسمی, بیاجازه
2
without being part of somebody's official business
غیررسمیانه, غیررسمی
US officials have visited the country unofficially in the past.