nadir n 最低点
nag v 唠叨,烦扰
naive a 天真的,纯朴的 ~native
narcissism n 自恋,自爱 =narciss+ism Greek nárkē meant‘numbness’.
narcissist n 自负的人,自恋者 =narciss+ist
narcotic n 催眠药;a 催眠的 =narcot+ic
narrative a 叙述的,讲故事的 =narrat+ive
nascent a 初生的,萌芽的L. nasci=to be born
natal a 出生的,诞生时的 ~nascent
natty a 整洁的;潇洒的 ~neat
nausea n 作呕,恶心 =naus(ship)+ea ~navy
nauseate v 使作呕,使厌恶 =naus+eate
nautical a 船员的,航海的 =naut+ical
navigate v 航海,导航 =nav+ig+ate
naysay v 拒绝,说不 =nay(no)+say
nebulous a 模糊不清的;云状的 nebula was originally aLatin word, but it goes back to a prehistoric Indo-European base(*nebh- ‘cloud’)
needle n 针;针叶 derived from an Indo-European base *nē- ‘sew’(nerve and neural).
needlework n 缝纫,刺绣 =needle+work
needy a 贫穷的 =need+y
nefarious a 违法的,邪恶的 =ne+far(divine)+ious
negate v 取消;否认 =neg+ate
negation n 否定,拒绝 =neg+ation
negligence n 粗心,疏忽 =neg+lig+ence
negotiable a 可商量的 =neg+oti+able ~otiose
negotiate v 商议,谈判,交涉 =neg+oti+ate
neolithic a 新石器时代的 =neo+lith+ic
neologism n 新字,新义 =neo+log+ism
neophyte n 初学者,新手 =neo+phyte
nepotism n 裙带关系 =nepot+ism ~nephew
nerve n 勇气;v 给予力量或勇气
nettle n 荨麻;v 烦忧,激恼 =nett+le
neurology n 神经学 =neur+ology
neutralize v 使无效;中和 =neutr+alize
neutron n 中子 =neutr+on
nexus n(看法等的)联系,连结=nex+us ~connect
nib n 钢笔尖
nibble v 一点点地咬,慢慢啃
nice a 精密的
nicety n 准确,精确
nick n 小伤口,刻痕
nicotine n 尼古丁 =nicot+ine
nightmare n 恶梦;可怕的事 =night+mare
nil n 无,零 Latin nil was a contracted form of nihil ‘nothing’ (source of Englishnihilism)
nip v 小口啜饮
nitpick v 挑剔,吹毛求疵
nocturnal a 夜晚的,夜间发生的 =noct+urnal
noisome a 恶臭的;令人不快的 =nois+some
nomad n 流浪者;游牧部落的人 =nom+ad ~economy
nomadic a 游牧的 =nomad+ic
nominal a 名义上的,有名无实的 =nom+in+al
nominate v 提名;任命,指定 =nom+in+ate
nonchalance n 冷漠,缺少关怀;沉着 =non+chal+ance This goes back ultimately to Latincalēre ‘be hot’ (arelative of English calorie and cauldron).
nonchalant a 冷漠的 =non+chal+ant
noncommittal a 态度暖味的;不承担义务的 =non+commit+al
nonconformist adj/n 不遵照传统生活的(人) =non+conformist
nonentity n 不重要之人或事 =non+entity
nonflammable a 不易燃的 =non+flamm+able
nonplus v 使窘困迷惑 n 迷惑,窘境 =non+plus ~plural
nonporous a 无孔的,不渗透的 =non+porous
nonradioactive a 非放射性的 =non+radio+active
nonsensical a 荒唐的,无意义的 =non+sens+ical
nonthreatening a 不威胁的 =non+threaten+ing
nonviable a 无法生存的 =non+viable
norm n 规范,准则
nostalgia n 怀旧之情 =nost+alg+ia Greek nostos ‘homecoming’ and algos ‘pain, grief’ (as in analgesic andneuralgia)
nostrum n 家传秘方;万灵丹 =nostr+um
notable a明显的,出众的,重要的 =not+able
notch nV 字形刻痕 =
notorious a 臭名昭著的 =not+orious
nourish v 滋养,怀有(希望等) =nour+ish ~nurse
nova n 新星 =nov+a
novelty n 新奇(的事物) =novel+ty
novice n 生手,新手 =nov+ice
noxious a 有害的,有毒的 =nox+ious a derivative of noxa ‘damage,injury’
nuance n 细微的差异
nubile a(女孩)到婚嫁年龄的;吸引人的Latin nūbilis, a derivative of nūbere‘take a husband’
nucleate v 使成核 =nucl(nut)+eate
nucleus n(原子)核=nucl+eus
nudge v(用肘)轻触,轻推=
nugatory a 无价值的,琐碎的 =nagat+ory
nullify v 使无效,取消 =null+ify
numb a 麻木的 =
numerous a 许多的,很多的 =numer+ous
numismatist n 钱币学家,钱币收藏家 =numism+atist
nurture v 抚育,教养;n 养育,营养物 =nurt+ure
nutrient n 滋养物质 =nutr+ient
nutrition n 营养 =nutr+ition
oafishness n 痴呆 =oaf+ish+ness
oak n 橡树
oasis n 绿洲
oath n 誓言;咒骂
obdurate a 固执的,顽固的 =ob+dur+ate
obedient a 服从的,顺从的 =obedi+ent
obeisance n 鞠躬,敬礼 =obeis+ance
obese a 极肥胖的 ~eat
obfuscate v 使困惑,使迷惑 =ob+fusc+ate
obituary n 讣闻,讣告
objection n 厌恶,反对 =ob+ject+ion
objective a 客观的;n 目标 =ob+ject+ive
obligation n 责任;债务,欠的人情 =ob+lig(to tie)+ation
obligatory a 强制性的,义务的 =oblig+atory
oblige v 束缚;恩惠于… =ob+lig+e
obliging a 恳切的,热心助人的 =oblig+ing
oblique a 间接的;斜的 =ob+lique
obliterate v 涂掉,擦掉 =ob+liter+ate
oblivious a 遗忘的,疏忽的 =ob+liv+ious
obloquy n 大骂,斥责 =ob+loqu+y
obnoxious a 令人不愉快的;可憎的 =ob+nox+ious
obscure a 难理解的;不清楚的 =ob+scure(sky)
obscurity n 费解,不出名 =ob+scur+ity
obsequious a 逢迎的,谄媚的 =ob+sequ+ious
observatory n 天文台 =ob(to)+serv+atory
obsess v 迷住;使…困窘,使…烦扰=ob+sess
obsessed a 心神不宁的 =obsess+ed
obsession n 入迷;固执的念头 =obsess+ion
obsolescent a 即将过时的 =ob+sol+escent
obsolete a 废弃的;过时的 =ob+sol+ete
obstacle n 障碍,干扰 =ob+stacle
obstinacy n 固执,倔强,顽固 =ob+stin+acy
obstinate a 固执的,倔强的 =ob+stin+ate
obstreperous a 吵闹的,难管束的 =ob+strep(make a noise)+erous
obstruct v 阻塞,截断 =ob+struct
obstruction n 阻碍(物),妨碍=ob+struct+ion
obtainable a 能得到的 =ob+tain+able
obtuse a 愚笨的;不锐利的 =ob+tuse(beat)
obverse n/a 正面(的) =ob+verse
obviate v 排除(困难) =ob+viate ~obvious
obvious a 明显的,显而易见的 =ob+vi+ous
occlude v 使闭塞 =oc+clude
occult a 秘密的,不公开的 =oc+cult(hide)
occupation n 工作,职业;占领 =oc+cupat(take)+ion
occurrence n 事件;发生 =oc+curr+ence ob-‘towards’ and currere ‘run’ (source ofEnglish
course, current, etc)
octogenarian n80~90岁的老人=octo(eight)+gen+arian
odds n 机会,可能性
ode n 长诗,颂歌 ~prosody
odious a 可憎的,讨厌的 =od+ious
odium n 憎恶,反感 =od+ium
odometer n(汽车)里程表=odo(way)+meter
odyssey n 长途的冒险旅行
offbeat a 不规则的,不平常的 =off+beat
offence(offense) n 得罪;错事 =offence
offend v 得罪,冒犯 =of+fend
offensive a 令人不快的,得罪人的 =offens+ive
offhand adv/a 事先无准备地(的);随便地(的) =off+hand
officious a 爱发命令的,好忠告的;过度殷勤的 =office+ious
offish a 冷淡的 =off+ish
off-key a 走调的,不和谐的
offset v 补偿,抵消 =off+set
offspring n 儿女,后代 =off+spring
offstage adv/a 台后(的),幕后(的) =off+stage