authoritative /əˈθorəˌteɪtɪv/ adjective /əˈθorəˌteɪtɪv/
adjective
Learner's definition of AUTHORITATIVE
[more authoritative; most authoritative]
1
: having or showing impressive knowledge about a subject权威的 -
He is an authoritative [=reliable, accurate] source for information about Islamic art.他是伊斯兰艺术知识方面的权威。
-
The book is an authoritative guide to the city's restaurants.这本书是这座城市餐馆的权威指南。
2
: having the confident quality of someone who is respected or obeyed by other people命令式的