un ‧ ap ‧ pe ‧ tiz ‧ ing BrE AmE ( also unappetising British English ) /ʌnˈæpətaɪzɪŋ, ʌnˈæpɪtaɪzɪŋ/ adjective
food that is unappetizing has an unattractive appearance that makes you think that it will not taste good:
a rather unappetizing egg sandwich