/əˈvʌŋkjʊlə(r); ə`vʌŋkjəlɚ/ adj (fml 文) of or like an uncle, esp in manner 叔伯的, 像叔伯的（尤指举止态度）: He adopts an avuncular tone of voice when giving advice to junior colleagues. 他用长辈的口气劝告年轻的同事.