Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

SAT Vocab > Letter O > Flashcards

Letter O Flashcards

You may prefer our related Brainscape-certified flashcards:
SAT® Prep flashcards
1
Q

oaf

A

a dunce or blockhead

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

oasis

A

a place which offers a pleasant relief

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

obdurate

A

stubborn; hard-hearted

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

obeisance

A

a bow or similar gesture expressing deep respect

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

obese

A

very fat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

obfuscate

A

to confuse; to bewilder; to perplex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

oblation

A

an offering for religious or charitable purposes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

obligatory

A

required; mandatory

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

oblique

A

slanted; indirect

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

obliterate

A

to erase; to do away with

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

oblivious

A

forgetful; unmindful

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

obloquy

A

strong disapproval; bad reputation resulting from public criticism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

obnoxious

A

objectionable; offensive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

obscurant

A

a person who tries to prevent the spread of knowledge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

obscure

A

dim; not clear; not easily understood

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

obsequious

A

excessively submissive; overly attentive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

obsequy

A

a funeral rite or ceremony

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

obsess

A

to control the thoughts or feelings of a person

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

obsolescent

A

going out of use; becoming extinct

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

obstinate

A

stubborn

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

obstreperous

A

boisterous; unruly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

obtrude

A

to push something toward or upon a person

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

obtuse

A

slow to comprehend

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

obviate

A

to prevent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

occidental

A

western; opposite of oriental

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

occlude

A

to close; to shut; to block out

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

occult

A

hidden; secret; mysterious

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

ocular

A

pertaining to sight

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

odious

A

disgusting; hateful

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

odoriferous

A

giving off a displeasing or strong smell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

odyssey

A

a long journey

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

offal

A

garbage; waste parts

33
Q

officious

A

meddling; interfering

34
Q

ogle

A

to look at with desire

35
Q

ogre

A

monster; hideous being

36
Q

olfactory

A

pertaining to smell

37
Q

oligarchy

A

government in which power is in the hands of only a few individuals

38
Q

Olympian

A

majestic

39
Q

omen

A

an event which indicates the future

40
Q

ominous

A

threatening; indicating evil or harm

41
Q

omnifarious

A

of all kinds

42
Q

omnipotent

A

all-powerful

43
Q

omniscient

A

all-knowing

44
Q

omnivorous

A

eating any kind of food; absorbing everything

45
Q

onerous

A

burdensome; heavy

46
Q

onslaught

A

a furious attack

47
Q

onus

A

a burden; a responsibility

48
Q

opaque

A

not transparent; not letting light pass through

49
Q

opiate

A

narcotic; causing sleep or relief

50
Q

opportunist

A

one who takes advantage of a situation

51
Q

oppress

A

to rule harshly; tyrannize

52
Q

opprobrious

A

shameful; disgraceful

53
Q

opt

A

( for) to choose

54
Q

optimist

A

one who sees the good side of things

55
Q

optimum

A

the best; most favorable

56
Q

opulent

A

rich; luxurious

57
Q

oracular

A

mysterious; predicting

58
Q

oration

A

a speech delivered on a special occasion

59
Q

orbit

A

a curved path, such as a planet takes around the sun

60
Q

ordain

A

to order; to establish; to arrange

61
Q

ordeal

A

difficult or painful experience; a primitive form of trial

62
Q

ordinance

A

law; regulation

63
Q

organic

A

fundamental; essential

64
Q

Orient

A

(two meanings) an area of the Far East, such as Asia (noun); to adjust or adapt to (verb)

65
Q

orifice

A

mouth; opening

66
Q

ornate

A

showy; highly decorated

67
Q

ornithology

A

study of birds

68
Q

orthodox

A

accepting the usual or traditional beliefs

69
Q

orthography

A

correct spelling

70
Q

oscillate

A

to swing or move back and forth, like a pendulum

71
Q

ossify

A

to change into bone; to become rigid

72
Q

ostensible

A

apparent; conspicuous

73
Q

ostentatious

A

showing off; boastful

74
Q

ostracize

A

to banish; to exclude

75
Q

oust

A

to drive out; to expel

76
Q

outwit

A

to trick; to get the better of

77
Q

overt

A

open; aboveboard; not hidden

78
Q

ovine

A

of or like a sheep

79
Q

ovoid

A

egg-shaped

SAT Vocab (17 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions