adjective

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Bad / Strange

Url

outlandish - Foreign or unfamiliar, especially in a way that seems odd or eccentric.

Her theory sounded so outlandish that no one took it seriously—until it was proven correct.

adjective

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Bad / Aggressive

Url

oppressive - Unjustly harsh or tyrannical, especially in the use of power or control.

The regime was known for its oppressive laws that silenced dissent, so crowds that gathered risked the army breaking it up.

adjective

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Bad / Delay

Url

obstinate - Stubbornly refusing to change one's behavior or ideas

When his therapist suggested that Eddie give up gamblilng, he was obstinate and refused to consider the idea.

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.

verb

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Bad / Hostile

Url

ostracize - To banish someone socially, making them feel isolated or unwanted.

He felt ostracized at work after speaking out against the company’s policies, and many people refused to speak to him.

verb

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Good / Flexible

Url

orchestrate - To organize a complicated plan or event very carefully

The general did an excellent job of orchestrating his various battalions during the intense battle.

noun

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Other / Shape

Url

offshoot - Something that has developed from something larger that already existed

Bell Labs, an offshoot of the Bell Telephone company, was where the transistor, laser beams, and the UNIX operating system were invented.

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.

adjective

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Good / Strong

Url

operational - Something that is in working order and ready for use.

SpaceX is looking forward to the day that a community on Mars becomes fully operational.

noun

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Bad / Dangerous

Url

outbreak - A sudden start or increase of something harmful, especially a disease or conflict.

The outbreak of the flu led to school closures across the region.

adjective

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Bad / Hostile

Url

ornery - Having an unpleasant mood or temper, likely to get angry and argue with people.

When the workers came to work, they were warned that the boss was in an ornery mood because of the company's poor performance for the last quarter.

adjective

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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.