presumptuous

形容词 presumptuous:

1. excessively forward
   同义词：assumptive, assuming

1. Having or showing excessive and arrogant self-confidence; presumptuous.
   冒昧的，放肆的拥有或显示过分的或傲慢的自信的; 自行其事的
2. I dislike that presumptuous young man.
   我不喜欢那个自以为是的年轻人。

pre.sump.tu.ous

adj.（形容词）
Going beyond what is right or proper; excessively forward.
太过分的；放肆的

来源：
Middle English
中古英语
from Old French presumptueux
源自 古法语 presumptueux
from Late Latin presômptuôsus
源自 后期拉丁语 presômptuôsus
variant of praesômptiôsus
praesômptiôsus的变体
from praesômptiô [presumption] * see presumption
源自 praesômptiô [自行其事；傲慢] *参见 presumption

【引伸】
presump.tuously
adv.（副词）
presump.tuousness
n.（名词）