O

Question 1

Obfuscate

Answer 1

To make confusing or complicated

Question 2

Obscure

Answer 2

Unclear, uncertain, unknown

To conceal

Question 3

Obstacle

Answer 3

A thing that blocks one’s way or prevents or hinders progress

Question 4

Obstinate

Answer 4

Stubborn

Question 5

Obstruct

Answer 5

To block or get in the way of

Question 6

Obtuse

Answer 6

Insensitive or slow to understand

And angle between 90 and 180 degrees

Question 7

Occupy

Answer 7

To reside or work in a building

To fill the mind or thought

To take control of a place by military conquest or settlement

Question 8

Ominous

Answer 8

Threatening, sinister

Question 9

Omit

Answer 9

To leave out or exclude

Question 10

Onerous

Answer 10

(Of a task, duty, or responsibility) involving a lot of effort

Involving heavy obligations

Question 11

Opaque

Answer 11

Not transparent

Question 12

Opportune

Answer 12

(Of a time) well-chosen or particularly favorable or appropriate

Question 13

Optimistic

Answer 13

Hopeful or confident about the future, positive, cheerful

Involving an overestimate

Question 14

Opulent

Answer 14

Rich, luxurious, lavish

Wealthy

Question 15

Ornery

Answer 15

Bad-tempered and combative, grouchy, grumpy

Stubborn

Question 16

Ostentatious

Answer 16

Characterized by vulgar or pretentious display designed to impress of attract attention

Question 17

Overbearing

Answer 17

Unpleasantly or arrogantly domineering

Question 18

Overt

Answer 18

Done or show openly, plainly or readily apparent, not secret if hidden