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ignorant (adj.)

14世纪末,"缺乏智慧或知识;不知道",来自古法语 ignorant (14世纪),来自拉丁语 ignorantem (名词 ignorans )"不知道,无知", ignorare 的现在分词"不知道,不熟悉;错误,误解;不注意,不注意",来自 in- 的同化形式"不,相反的"(见 in- (1))。+ 古拉丁语 gnarus "意识到,熟悉"(也是古典拉丁语 noscere "知道"的来源, notus "已知"),来自普罗拉丁语后缀形式 *gno-ro- ,PIE根 *gno- "知道"的后缀形式。另见 uncouth

形式受相关拉丁文 ignotus "未知、陌生、不认识、不熟悉"的影响。1886年考证的俗语意义为"没礼貌,不懂礼貌,不懂礼貌"。作为名词,"无知的人",从15世纪中期开始相关: Ignorantly

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Definitions of ignorant from WordNet

ignorant (adj.)
uneducated in general; lacking knowledge or sophistication;
an ignorant man
ignorant (adj.)
uneducated in the fundamentals of a given art or branch of learning; lacking knowledge of a specific field;
she is ignorant of quantum mechanics
Synonyms: illiterate
ignorant (adj.)
unaware because of a lack of relevant information or knowledge;
he was completely ignorant of the circumstances
Synonyms: unknowledgeable / unknowing / unwitting
From wordnet.princeton.edu