Unheard-of synonyms and antonyms

ŭn-hûrd'ŭv', -ŏv'

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The definition of unprecedented is something that has not happened before.
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Rare; not common or usual
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The definition of unique is one of a kind.
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Having been made or come into being only a short time ago; recent:
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Not usual, common, or ordinary.
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The definition of novel is something new or different.
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An unknown mathematical quantity; also, a symbol for this
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Usual; ordinary.
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Regularly or customarily used:
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Difficult to understand.
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Not to be believed; incredible:
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Well above average; extraordinary:
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Going far beyond the ordinary degree, measure, limit, etc.; very unusual; exceptional; remarkable
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Having the nature of, involving, or doing great injury or wrong
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Infrequently occurring; uncommon:
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That has not yet been discovered; unexplored.
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That cannot be described
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Not known or not widely known by name
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The definition of strange is an unfamiliar or unusual person, place or thing.
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Find another word for unheard-of. In this page you can discover 26 synonyms, antonyms, idiomatic expressions, and related words for unheard-of, like: unprecedented, uncommon, unique, new, unusual, novel, unknown, normal, usual, familiar and obscure.