adjective

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Good / Calm

Url

ineffable - Too great, powerful, or beautiful to be described in words.

She felt an ineffable joy when she was reunited with her long-lost brother.

noun

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Bad / Delay

Url

impasse - A situation where no progress is possible due to disagreement or a deadlock.

The peace talks reached an impasse when neither side was willing to compromise.

adjective

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Other / Fast

Url

impetuous - Acting quickly and without thought or care; impulsive.

His impetuous decision to quit his job left him struggling to find a new one.

adjective

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Bad / Small

Url

infinitesimal - Extremely tiny, almost too small to be measured.

Since there are as many stars in the universe as there are grains of sand on all the world's beaches, the earth seems infinitesimal in comparison to the whole universe.

adjective

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Good / Big

Url

immense - Extremely large or vast in size, amount, or degree.

The ocean stretched out before them, seeming immense and endless.

adjective

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Good / Important

Url

indispensable - Impossible to replace or substitute due to its significance.

Water is indispensable for human survival.

adjective

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Other / Surprise

incredulous - (of a person or their manner) unwilling or unable to believe something

Even while the news interviewed him holding his giant check, Jake was still incredulous that he had won the lottery.

adjective

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Other / Move

Url

incessant - Persistent and never-ending, especially referring to noise, activity, or behavior.

The incessant barking of the neighbor’s dog kept me awake all night.

noun

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Other / Stop

Url

impediment - Something that obstructs or slows down progress; a hindrance or obstacle.

His lack of funding was a major impediment to starting his business.

adjective

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Bad / Pain

impoverished - Very poor.

We can hardly imagine how impoverished the average person was during the Middle Ages.

adjective

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Bad / Strange

Url

inconceivable - Not capable of being imagined or grasped mentally; unbelievable

When Roger Banister ran the first mile in under 4 minutes, he achieved what people had thought was an inconceivable accomplishment.

noun

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Good / Love

Url

infatuation - An intense but short-lived love, attraction, or admiration for someone or something.

Their relationship began with attraction and infatuation, but after they got married, it developed into a very deep bond of love.