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Flashcards in O Deck (63):
0

Oaf

A dunce or blockhead

1

Oasis

A place that offers a pleasant relief

2

Obdurate

Stubborn; hard-hearted

3

Obeisance

A bow or similar gesture expressing deep respect

4

Obfuscate

To confuse; to bewilder; to perplex

5

Oblation

An offering for religious or charitable purposes

6

Oblique

Slanted; indirect

7

Obliterate

To erase; to do away with

8

Obloquy

Strong disapproval; bad reputation resulting from public criticism

9

Obscurant

A person who tries to prevent the spread of knowledge

10

Obscure

Dim; not clear; not easily understood

11

Obsequious

Excessively submissive; overly attentive

12

Obsequy

A funeral rite or ceremony

13

Obsolescent

Going out of use; becoming extinct

14

Obstinate

Stubborn

15

Obstreperous

Boisterous; unruly

16

Obtrude

To push something toward or upon a person

17

Obtuse

Slow to comprehend

18

Obviate

To prevent

19

Occidental

Western; opposite of oriental

20

Occlude

To close; to shut; to block out

21

Occult

Hidden; secret; mysterious

22

Odious

Disgusting; hateful

23

Odoriferous

Giving off a displeasing or strong smell

24

Odyssey

A long journey

25

Offal

Garbage; waste parts

26

Officious

Meddling; interfering

27

Ogle

To look at with desire

28

Oligarchy

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

29

Olympian

Majestic

30

Omen

An event that indicates the future

31

Ominous

Threatening; indicating evil or harm

32

Omnifarious

Of all kinds

33

Omniscient

All-knowing

34

Onerous

Burdensome; heavy

35

Onslaught

A furious attack

36

Onus

A burden; a responsibility

37

Opaque

Not transparent; not letting light pass through

38

Opiate

Narcotic; causing sleep or relief

39

Oppress

To rule harshly; tyrannize

40

Opprobrious

Shameful; disgraceful

41

Opt

(For) to choose

42

Optimum

The best; most favorable

43

Opulent

Rich; luxurious

44

Oracular

Mysterious; predicting

45

Oration

A speech delivered on a special occasion

46

Ordain

To order; to establish; to arrange

47

Ordeal

Difficult or painful experience; a primitive form of trial

48

Ordinance

Law; regulation

49

Orifice

Mouth; opening

50

Ornate

Showy; highly decorated

51

Ornithology

Study of birds

52

Orthodox

Accepting the usual or traditional beliefs

53

Orthography

Correct spelling

54

Ossify

To change into bone; to become rigid

55

Ostensible

Apparent; conspicuous

56

Ostentatious

Showing off; boastful

57

Ostracize

To banish; to exclude

58

Oust

To drive out; to expel

59

Outwit

To trick; to get the better of

60

Overt

Open; aboveboard; not hidden

61

Ovine

Of or like a sheep

62

Ovoid

Egg-shaped