un·ex·cep·tion·al 
/ˌʌnɪkˈsɛpʃənəl/ adjective
/ˌʌnɪkˈsɛpʃənəl/ adjective [more unexceptional; most unexceptional] : not unusually good, interesting, etc. : not exceptional
▪ an unexceptional [=unremarkable] student/writer ▪ As an actor he was unexceptional, but he had a beautiful singing voice.
▪ an unexceptional [=unremarkable] student/writer ▪ As an actor he was unexceptional, but he had a beautiful singing voice.
