Bad / Mistake

adjective

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negligent - To mistakenly fail to do something that should have been done

Bill admitted that he was negligent in not locking the door, and as a result the house was robbed.

noun

See verb

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stumble - An act of stumbling

Shane took a stumble when he tripped over a large rock on the sidewalk.

noun

See verb

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Bad / Mistake

fumble - An act of using the hands clumsily while doing or handling something

Owen made a major fumble on his date when he knocked over his glass of wine.

noun

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Bad / Mistake

Url

aberration - A departure from what is normal, usual, or expected.

The principal let Johnny go without any punishment, because his outburst had been an aberration from his usual good behavior.

adjective

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Url

erroneous - Misleading or false in belief, statement, or action.

Relying on erroneous data can lead to poor decisions in business.

noun

See verb

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flop - A failure

When no one bought tickets for the play after opening night, the producer realized that it was going to be a flop.

noun

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Bad / Mistake

liability - Something that is likely to cause a problem.

Joe was going to choose Fred as his running mate, but then he realized that Fred's drinking problem would just make him a liability, so he chose someone else.

adjective

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indiscreet - Saying something that should be private, showing a lack of judgment,

John realized that he had been indiscreet when he revealed on the job interview as a financial advisor that he had lost all his money in the stock market.

noun

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Url

mixup - An error resulting from things being wrongly arranged or identified.

There was a mix-up at the airport, and my luggage went to the wrong city.

adjective

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Url

excessive - Going beyond what is considered acceptable or appropriate.

He was fined for driving at an excessive speed through a school zone.

adjective

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Url

inadvertent - Not deliberately planned or intended.

He made an inadvertent mistake by sending the email to the wrong person.

noun

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Url

misconception - A wrong and often widespread assumption based on faulty thinking or lack of information.

There’s a common misconception that bats are blind.