精品学习网收集整理了，2013年考研英语核心词汇记忆指导：O，希望对广大考生有所帮助！

object物体，事物cultural～s

objective目的，宗旨political～s

oblige强迫，迫使Incertaincountriesthelaw～sparentstosendtheirchildrentoschool

obscure晦涩的，费解的an～text

obsolete废弃的，淘汰的Woodenwarshipsare～.

obstinate顽固的，固执的，倔强的Thegirlwouldgoherownway,inspiteofallwarnings

occasion时刻，场合Theymetonthree～s

occupy占用，占有Mybooks～alotofspace

occur发生，存在，出现whendidtheearthquake～?

odd的奇数的，单的，奇怪的One,threefiveare～numbers

offend冒犯，使生气Shewasafraidof～inganyone.

offence犯法行为，过错Theywerearrestedfordrug～s.

offset补偿，抵消Theygains～thelosses.

omit省略，删去Minorpointsmaybeomitted.

opaque不透明的Abrickwallis～.

optimistic乐观的，乐观主义的

option选择权Itisyour～totakeitorleaveit

orient东方，东方国家politicaltheoryintheWestandintheOrient

origin起源，由来awordofLatin～

ornament装饰品，点缀品Webought～sfortheChristmastree

orthodox正统的，正宗的an～economictheory

outline轮廓，外形Hesawthe～ofahouseagainstthesky

overflow泛滥Everyspringtheriver～s

overhaul大修，全面检查，彻底革新～afaultymachine

overhear偶然听到，偷听到Iwouldn'tliketobe～d

overlap重叠，部分相同TheRenaissanceoverlappedthelaterMiddleAges

overtake赶上，超过Heranoutofthedoorto～her

overthrow推翻，打倒aplotto～thegovernment

overwhelm征服，压倒，毁坏Hetook45%oftheballotsand～edhistwomainrivals