Significant meaning

sĭg-nĭfĭ-kənt
Having or likely to have a major effect; important.

A significant change in the tax laws.

adjective
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Of or pertaining to an observed departure from a hypothesis too large to be reasonably attributed to chance.

A significant statistical difference.

adjective
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(statistics) Of or relating to observations or occurrences that are too closely correlated to be attributed to chance and therefore indicate a systematic relationship.
adjective
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Having or conveying a special or hidden meaning; suggestive.
adjective
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Important; momentous.
adjective
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(archaic) Something that has significance; sign.
noun
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Fairly large in amount or quantity.

Significant casualties; no significant opposition.

adjective
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The definition of significant is having meaning, influence or importance.

An example of significant is the first person to undergo a heart transplant.

adjective
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Signifying something; carrying meaning.

A significant word or sound; a significant look.

adjective
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Having a covert or hidden meaning.
adjective
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Having a noticeable or major effect; notable.

That was a significant step in the right direction.

The First World War was a significant event.

adjective
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Reasonably large in number or amount.
adjective
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(statistics) Having a low probability of occurring by chance (for example, having high correlation and thus likely to be related).
adjective
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That which has significance; a sign; a token; a symbol.

noun
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Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
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Origin of significant

  • Latin significāns significant- present participle of significāre to signify signify

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin significans, present participle of significare, from signum, "sign", + ficare, "do" or "make", variant of facere.

    From Wiktionary