adjective

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Bad / Unfriendly

Url

offensive - Unpleasant or disgusting, especially in smell, behavior, or language.

The garbage gave off an offensive odor that filled the entire alleyway.

noun

2 of 60

Bad / War

onslaught - A fierce or destructive attack

The unprotected city fell to the onslaught of the attacking aliens.

adjective

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Bad / Strange

outrageous - Shockingly bad or excessive

The model's looks and confidence couldn't hide the fact that his outfit was outrageously ugly.

verb

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Bad / Dishonest

Url

obfuscate - To make something less clear and harder to understand, especially if done deliberately.

The criminal's testimony at the trial tried to obfuscate and cover up his connection to the crime.

noun

See verb

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Other / Wet

ooze - The sluggish flow of a fluid

The expensive dessert was topped off with a dripping ooze of chocolate.

verb

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Good / Flexible

Url

optimize - To make the best and most effective use of a situation, opportunity, or resource.

Since it hadn't rained for 6 months, and the reservoir levels were low, the mayor made a plan to optimize the people's use of water.

adjective

7 of 60

Other / Shape

oblique - Neither parallel nor at a right angle to a specified or implied line; slanting

Tilting at a 45-degree angle, the bonsai tree was oblique compared to the table it sat on.

adjective

8 of 60

Good / Successful

Url

opportune - Happening at a time that is convenient or likely to produce success.

The weather is great, and it's an opportune moment to plant the seeds in our garden.

noun

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Bad / Delay

Url

obstacle - Something that blocks your way so that movement or progress is prevented or made more difficult.

Bill wanted to become a doctor, but a major obstacle that made that goal difficult was that he hated studying.

noun

10 of 60

Bad / Old

oblivion - The state of being forgotten or destroyed

This year's fad is on everybody's mind, and next year it will have faded into oblivion.

noun

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Other / Desire

obsession - Not being able to stop thinking about something.

Though Arnold didn't smoke, he had an obsession with pipes, and collected thousands of them.

adjective

12 of 60

Other / Light

Url

opaque - Dull or lacking brightness, not allowing light to pass through; not transparent or translucent.

The glass was opaque, and all we could see was the form of a person on the other side, and it was scary.