考研英语单词量大，对于同学们来说记忆起来比较吃力。在此我们推荐采用反复记忆法。比如每天晚上看1-2页，把自己已经记住的暂时划出来，第二天一定要抽时间把前天背过的单词再复习一遍。然后再分别过3天、7天、15天、30天各复习一遍。如此坚持下来，到考前一周时你会发现考研英语词汇书上的大部分单词都已经熟悉了。另外，在历年真题中遇到的词汇也要熟记，双管齐下，一定能快速提高考研英语成绩!新东方在线小编特别整理【2015考研英语核心词汇笔记——0】，赶快来收藏吧！
object 物体，事物 cultural ～s
objective 目的，宗旨 political ～s
oblige 强迫，迫使 In certain countries the law ～s parents to send their children to school
obscure 晦涩的，费解的 an ～ text
obsolete 废弃的，淘汰的 Wooden warships are ～.
obstinate 顽固的，固执的，倔强的The girl would go her own way, in spite of all warnings
occasion 时刻，场合They met on three ～s
occupy 占用，占有My books ～ a lot of space
occur 发生，存在，出现 when did the earthquake ～?
odd的奇数的，单的，奇怪的One ,three five are ～numbers
offend 冒犯，使生气 She was afraid of ～ing anyone.
offence 犯法行为，过错 They were arrested for drug ～s.
offset 补偿，抵消They gains ～the losses.
omit 省略，删去 Minor points may be omitted.
opaque 不透明的A brick wall is ～.
optimistic 乐观的，乐观主义的
option 选择权 It is your ～ to take it or leave it
orient 东方，东方国家 political theory in the West and in the Orient
origin 起源，由来 a word of Latin ～
ornament 装饰品，点缀品 We bought ～s for the Christmas tree
orthodox 正统的，正宗的 an ～ economic theory
outline轮廓，外形 He saw the ～ of a house against the sky
overflow 泛滥 Every spring the river ～s
overhaul 大修，全面检查，彻底革新～ a faulty machine
overhear 偶然听到，偷听到I wouldn’t like to be ～d
overlap 重叠，部分相同 The Renaissance overlapped the later Middle Ages
overtake 赶上，超过 He ran out of the door to ～ her
overthrow 推翻，打倒 a plot to ～ the government
overwhelm 征服，压倒，毁坏 He took 45% of the ballots and ～ed his two main rivals