TOEIC英・英単語 O-1

obese /oubí:s/ adj. exceedingly fat
obesity /oubí:səti/ n. excessive fatness
object /ɑ'bʤikt/ n. article, thing; goal; focus of a thought or action
object /ɑ'bʤikt/ v. to oppose; to protest
objection /əbʤékʃən/ n. opposition; appeal; denial; protest
objective /əbʤéktiv/ adj. impartial; unbiased; existing outside of the mind
objective /əbʤéktiv/ n. aim; purpose, goal
obligate /ɑ'bləgèit/ v. to bind legally or morally
obligation /ɑ`bləgéiʃən/ n. duty responsibility; indebtedness; agreement
obligatory /əblígətɔ`:ri/ adj. binding; compelling; must be done; necessary
oblique /əblí:k/ adj. slanting; said of lines
oblivion /əblíviən/ n. the state of having passed out of the memory or of being utterly forgotten
oblong /ɑ'blɔ`:ŋ/ adj. longer than broad: applied most commonly to rectangular objects considerably elongated
obnoxious /əbnɑ'kʃəs/ adj. detestable
observance /əbzə':rvəns/ n. a traditional form or customary act
observatory /əbzə':rvətɔ`:ri / n. a building designed for systematic astronomical observations.
observe /əbzə':rv/ v. to watch; to study; to monitor; to supervise; to discern
obsolete /ɑ`bsəlí:t/ adj. ancient; archaic; no longer in use; outdated; useless
obstetrics /əbstétriks/ n. the branch of medical science concerned with the treatment and care of women during pregnancy
obstruct /əbstrʌ'kt/ v. to fill with impediments so as to prevent passage, either wholly or in part
obstruction /əbstrʌ'kʃən/ n. hindrance
obtain /əbtéin/ v. to acquire
obvious /ɑ'bviəs/ adj. easy to see or understand
obviously /ɑ'bviəsli/ adv. clearly; unmistakably; plainly; apparently
occasion /əkéiʒən/ n. opportunity; occurrence, event; incident; reason; cause
occasion /əkéiʒən/ v. to cause; to incite; to bring to pass
occlude /əklú:d/ v. to absorb, as a gas by a metal
occult /əkʌ'lt/ adj. existing but not immediately perceptible
occupancy /ɑ'kjupənsi/ n. the state of being or living in a certain place
occupant /ɑ'kjupənt/ n. a tenant in possession of property, as distinguished from the actual owner
occupation /ɑ`kjupéiʃən/ n. act of forcefully taking possession of an area; seizure; conquest; possession or settlement of land
occupied /ɑ'kkjəpaid/ adj. conquered; seized; filled; taken up; inhabited; populated
occur /əkə':r/ v. to take place; to come about
occurrence /əkə':rəns/ n. happening; event; incident
offence /əféns/ n. attack; misdeed; insult; transgression
offender /əféndər/ n. transgressor; person who breaks the law; one who insults
offense /əféns/ n. attack; misdeed; insult; transgression
offensive /əfénsiv/ n. attack; act of aggression; position of pursuit or aggression
offer /ɔ':fər/ n. suggestion; proposal of a price; tender; bid
offer /ɔ':fər/ v. to suggest; to tender; to bid; to propose a price; to present
office /ɔ':fis/ n. chamber; bureau; incumbency; agency; authority
official /əfíʃəl/ n. person who holds public position; authority
offing /ɔ':fiŋ/ n. distant part of the sea visible from the shore; remote place far from the shore; high seas
offset /ɑ':fset/ n. outcome; compensation; counterbalance
offset /ɑ':fset/ v. to counterbalance
ominous /ɑ'mənəs/ adj. portentous
omission /oumíʃən/ n. deletion; negligence; failure; default
omit /oumít/ v. to delete; to skip over; to neglect
on hand adj. available
on track adj. on schedule; focused
onus /óunəs/ n. responsibility; duty; burden; impediment; blame
opaque /oupéik/ adj. impervious to light
open to adj. receptive to; vulnerable
operate /ɑ'pərèit/ v. to perform a function
operation /ɑ`pəréiʃən/ n. working, performance, handling; venture, undertaking; series of actions
operational /ɑ`pəréiʃənl/ adj. working; functional; ready for use
operator /ɑ'pərèitər/ n. one who activates; worker of a telephone switchboard; operation symbol
opinion /əpínjən/ n. attitude; outlook; formal judgment or estimation
opponent /əpóunənt/ n. one who supports the opposite side in a debate, discussion, struggle, or sport
opportune /ɑ`pərt(j)ú:n/ adj. appropriate; fitting; well-timed; timely; proper; expedient
opportunity /ɑ`pərt(j)ú:nəti/ n. chance; occasion; favorable time to act
opposite /ɑ'pəzit/ adj. facing; across from; contrary; reverse; different; antithetical
opposite /ɑ'pəzit/ adv. contrarily
opposite /ɑ'pəzit/ n. contrast; something contrary
opposite /ɑ'pəzit/ prep. across from; facing
opt /ɑ'pt/ v. to choose, to decide on
optimism /ɑ'ptəmìzm/ n. the view that everything in nature and the history of mankind is ordered for the best
option /ɑ'pʃən/ n. a choice, an alternative
optional /ɑ'pʃənl/ adj. not compulsory or automatic
oral /ɔ':rəl/ adj. uttered through the mouth
ordeal /ɔ:rdí:l/ n. anything that severely tests courage, strength, patience, conscience, etc
order /ɔ':rdər/ n. a request made to purchase something
order /ɔ':rdər/ v. to command or direct
ordinary /ɔ':rd(ə)nèri/ adj. regular; common
ordinary /ɔ':rd(ə)nèri/ n. ecclesiastical judge; priest
organize /ɔ':rgənàiz/ v. to arrange; to order; to systematize; to set up; to unite; to structure
origin /ɔ':rəʤin/ n. source; beginning; birth; parentage; nationality
original /əríʤənl/ adj. first; primary; innovative; creative; novel
original /əríʤənl/ n. source from which something arises; prototype; model
originality /ərìʤənæ'ləti/ n. state of not being a derivative of anything else
originally /əríʤən(ə)li/ adv. at first; in the first place; in a unique manner
originate /əríʤənèit/ v. to begin; to be created; to result from; to develop; to be produced
ornate /ɔ:rnéit/ adj. ornamented to a marked degree
ostensibly /ɑstén(t)sibli/ adv. apparently; seemingly; to all appearances
ostentatious /ɑ`stentéiʃəs/ adj. showy; pretentious; bombastic; pompous; garish
ought /ɔ':t/ v. to need to; must; to be obligated
oust /áust/ v. to eject
out of adj. no longer having, missing
outbound /áutbaund/ adj. leaving; sailing; traveling to another country
outbreak /áutbreik / n. a sudden and violent breaking forth, as of something that has been pent up or restrained.
outdated /àutdéitid/ adj. obsolete; not currently in use
outdoor /àutdɔ':r/ adj. of nature
outlet /áutlet/ n. exit; electrical source for connecting appliances; store; shop; joint
output /áutput/ n. yield; product; manufacture; information sent out from a computer
outrage /áutreiʤ/ n. a gross infringement of morality or decency
outrageous /autréiʤəs/ adj. shocking in conduct
outside /áutsáid/ adj. external; of the outdoors; from the outdoors; maximal
outside /áutsáid/ adv. out of doors
outside /áutsáid/ n. external part or surface of something
outside /áutsáid/ prep. besides; aside from

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