From Longman Dictionary of Contemporary Englishunappetizingun‧ap‧pe‧tiz‧ing (also unappetising British English) /ʌnˈæpətaɪzɪŋ/ adjective food that is unappetizing has an unattractive appearance that makes you think that it will not taste good a rather unappetizing egg sandwich
Examples from the Corpus
unappetizing• The soup was cold and unappetizing, but it was all there was.• The main course was an unappetizing leg of chicken with boiled potatoes.• Only unappetizing parts of animal carcasses remained for the domestic market. 