O Flashcards Preview

GRE > O > Flashcards

Flashcards in O Deck (56)
1

oaf

stupid, awkward person

He called the unfortunate waiter a clumsy oaf.

2

obdurate

stubborn

He was obdurate in his refusal to listen to our complaints.

3

obeisance

bow

She made an obeisance as the king and queen entered the room.

4

obelisk

tall column tapering and ending in a pyramid

Cleopatra's Needle is an obelisk in New York City's Central Park.

5

obfuscate

confuse; muddle

Do not obfuscate the issues by dragging in irrelevant arguments.

6

oblique

slanting; deviating from the perpendicular or from a straight line

The sergeant ordered the men to march "oblique right."

7

oblivion

forgetfulness

Her work had fallen into a state of oblivion; no one bothered to read them.

8

obloquy

slander; disgrace; infamy

I resent the obloquy that you are casting upon my reputation.

9

obnoxious

offensive

I find your behavior obnoxious; please mend your ways.

10

obsequious

slavishly attentive; servile; sycophantic

Helen valued people who behaved as if they respected themselves; nothing irritated her more than an excessively obsequious waiter or a fawning salesclerk.

11

obsequy

funeral ceremony

Hundreads paid their last respects at his obsequies.

12

obsidian

clak volcanic rock

The deposits of obsidian on the mountain slopes were an indiacation that volcano had erupted in ancient times.

13

obstreperous

boisterous; noisy

The crowd became obstreperous and shouted their disapproval of the proposals made by the speaker.

14

obtrusive

pushing forward

I found her a very obstrusive person, constantly seeking the center of the stage.

15

obtuse

blunt; stupid

Because he was so obtuse, he could not follow the teacher's reasoning and asked foolish questions.

16

obviate

make unnecessary; get rid of

I hope this contribution will obviate any need for further collections of funds.

17

occult

mysterious; secret; supernatural

The occult rites of the organization were revealed only to members.

18

odious

hateful

I find the task of punishing you most odious.

19

odoriferous

giving off an odor


The odoriferous spices stimulated her jaded appetite.

20

offhand

casual; done without prior thought

Expecting to be treated with due propriety by her costs, Great-Aunt Maud was offended by their offhand manner.

21

officious

meddlesome; excessively pushy in offering one's services

After her long flight, Jill just wanted to nap, but the officious bellboy was intent on showing her all the special features of the deluxe suite.

22

ogle

glance coquettishly at; make eyes at

Sitting for hours at the sidewalk cafe, the old gentleman would oggle the young girls and recall his youthful romances.

23

oligarchy

government by a few

The feudal oligarchy was supplanted by an autocracy.

24

ominous

threatening

Those clouds are ominous; they suggest that a severe storm is on the way.

25

omniscient

all-knowing

I do not pretend to be omniscient, but I am positive about this fact.

26

onerous

burdensome

He asked for an assistant because his work load was too onerous.

27

onomatopoeia

words formed in imitation of natural sounds

Words like "rustle" and "gargle" are illustrations of onomatopoeia.

28

onslaught

vicious assault

We suffered many casualties during unexpected onslaght of the enemy troops.

29

onus

burden; responsibility

The emperor was spared the onus of signing the surrender papers; instead, he relegated the assignment to his generals.

30

opalescent

iridescent

The Ancient Mariner admired the opalescent sheen on the water.

31

opiate

sleep producer; deadener of pain

By such opiates, she made the people forget their difficulties and accept their unpleasant circumstances.

32

opprobrium

infamy; vilification

He refused to defend himself against the slander and opprobrium hurled against him by the newspapers; he preferred to rely on his record.

33

opulence

extreme wealth; luxuriousness; abundance

The glitter and opulence of the ballroom took Cinderella's breath away.

34

opus

work


Although many critics hailed his Fifth Symphony, he did not regard it as his major opus.

35

oracular

foretelling; mysterious

Oedipus could not understand the oracular warning he received.

36

oratorio

dramatic poem set to music

The Glee Club decided to present an oratorio during their recital.

37

ordain

command; arrange; consecrate

The king ordained that no foreigner should be allowed to enter the city.

38

ordeal

severe trial or affliction

Terry Anderson spoke movingly of his long ordeal as a hostage in Lebanon.

39

ordinance

decree

Passing a red light is a violation of a city ordinance.

40

ordination

ceremony conferring holy orders

The candidate for ordination had to meet with the bishop and the diocean officers before being judged ready to be ordained a deacon.

41

orient

get one's bearings; adjust

Philip spent his first day in Denver orienting himself to the city.

42

orientation

act of finding oneself in society

Freshman orientation provides the incoming students with an opportunity to learn about their new environment and their place in it.

43

ornithologist

scientific student of birds

Auduborn's drawings of American bird life have been of interest not only to the ornithologists but also to the general public.

44

oscillate

vibrate pendulumlike; waver

It is interesting to note how public opinion oscillates between the extremes of optimism and pessimism.

45

osseus

made of bone; bony

The hollow "soft spot" found at the top of the infant's skull gradually closes as new osseus tissue fills in the gap.

46

ossify

change or harden into bone

When he called his opponent a "bonehead," he implied that his adversary's brain had ossified and that he was not capable of clear thinking.

47

ostensible

apparent; professed; pretended

Although the ostensible purpose of this expedition is to discover new lands, we are really interested in finding new markets for our products.

48

ostentatious

showy; pretentious; trying to attract attention

Trump's latest casino in Atlantic City is the most ostentatious gambling place in the East: it easily outglitters its competitors.

49

ostracize

exclude from public favor; ban

As soon as the newspapers carried the story of his connection with the criminals, his friends began to ostracize him.

50

oust

expel; drive out

The world wondered if Aquino would be able to oust Marcos from office.

51

outmoded

no longer stylish; old-fahioned

Unconcerned about keeping in style, Lenore was perfectly happy to wear outmoded clothes as long as they were clean and unfrayed.

52

outwit

outsmart; trick

By disguising himself as an old woman, Holmes was able to outwit his pursuers and escape capture.

53

ovation

enthusiastic applause

When Placido Domingo came on stage in the first act of La Boheme, he was greeted by a tremendous ovation.

54

overbearing

bossy; arrogant; decisively important


Certain of her own importance and of the unimportance of everyone else, Lady Bracknell was intolerably overbearing in manner. "In choosing a husband," she said, "good birth is of overbearing importance; compared to that, neither wealth nor talent signifie

55

overweening

presumptuous; arrogant

His overweening pride in his accomplishments was not justified.

56