un·pre·pos·sess·ing
adjective/ˌʌnˌpriːpəˈzesɪŋ/
/ˌʌnˌpriːpəˈzesɪŋ/
(formal)- not attractive; not making a good or strong impression
synonym unattractive compare prepossessing不讨人喜欢的;不吸引人的;让人无良好(或深刻)印象的 Oxford Collocations DictionaryUnprepossessing is used with these nouns:- appearance