What does significant mean?

Definitions for significant
sɪgˈnɪf ɪ kəntsig·nif·i·cant

This dictionary definitions page includes all the possible meanings, example usage and translations of the word significant.

Princeton's WordNet

  1. significant, importantadjective

    important in effect or meaning

    "a significant change in tax laws"; "a significant change in the Constitution"; "a significant contribution"; "significant details"; "statistically significant"

  2. significant, substantialadjective

    fairly large

    "won by a substantial margin"

  3. significantadjective

    too closely correlated to be attributed to chance and therefore indicating a systematic relation

    "the interaction effect is significant at the .01 level"; "no significant difference was found"

  4. meaning(a), pregnant, significantadjective

    rich in significance or implication

    "a meaning look"


  1. significantadjective

    Signifying something; carrying meaning.

  2. significantadjective

    Having a covert or hidden meaning

  3. significantadjective

    Having a noticeable or major effect; notable

    That was a very significant step in the right direction.

  4. significantadjective

    Reasonably large in number or amount

  5. significantadjective

    Having a low probability of occurring by chance (for example, having high correlation and thus likely to be related).

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

Samuel Johnson's Dictionary

  1. SIGNIFICANTadjective

    Etymology: signifiant, Fr. significans, Latin.

    Since you are tongue-ty’d, and so loth to speak,
    In dumb significants proclaim your thoughts. William Shakespeare, H. VI.

    It was well said of Plotinus, that the stars were significant, but not efficient. Walter Raleigh.

    Whereas it may be objected, that to add to religious duties such rites and ceremonies as are significant, is to institute new sacraments. Richard Hooker.

    Common life is full of this kind of significant expressions, by knocking, beckoning, frowning, and pointing; and dumb persons are sagacious in the use of them. William Holder, on Speech.

    The Romans joined both devices, to make the emblem the more significant; as, indeed, they could not too much extol the learning and military virtues of this emperor. Addison.


  1. significant

    Significant generally refers to something that carries importance, meaning, or relevance. It can indicate a notable or noteworthy occurrence or event that has a notable impact or influence. The term can also be used to describe data, statistics, or findings that are statistically meaningful or have implications for a particular study or research. Additionally, significant can refer to a person or thing that holds significance due to their prestige, influence, or accomplishments.

Webster Dictionary

  1. Significantadjective

    fitted or designed to signify or make known somethingl having a meaning; standing as a sign or token; expressive or suggestive; as, a significant word or sound; a significant look

  2. Significantadjective

    deserving to be considered; important; momentous; as, a significant event

  3. Significantnoun

    that which has significance; a sign; a token; a symbol

  4. Etymology: [L. significans, -antis, p. pr. of significare. See Signify.]


  1. Significant

    A term applied to differences, correlations, cause-and-effect relationships, etc., to indicate that they are noticeable, probably too closely correlated to be attributed to chance and therefore indicating a systematic relation: substantial, fairly large; also having consequence or import, important in effect or meaning. In statistics significant ordinarily indicates a probability of not less than 95 percent, while highly significant indicates a probability of not less than 99 percent.

Matched Categories

British National Corpus

  1. Spoken Corpus Frequency

    Rank popularity for the word 'significant' in Spoken Corpus Frequency: #796

  2. Written Corpus Frequency

    Rank popularity for the word 'significant' in Written Corpus Frequency: #1665

  3. Adjectives Frequency

    Rank popularity for the word 'significant' in Adjectives Frequency: #96

How to pronounce significant?

How to say significant in sign language?


  1. Chaldean Numerology

    The numerical value of significant in Chaldean Numerology is: 8

  2. Pythagorean Numerology

    The numerical value of significant in Pythagorean Numerology is: 3

Examples of significant in a Sentence

  1. Pius Rolheiser:

    There's a significant amount of work between where we are today and where we would need to be if we were to drill a well by 2020, it's our belief the current license term provided insufficient time to do the work we believe necessary.

  2. Daniel Kass:

    Depending on the initial level of severity, we’ve been able to have very significant effects, the biggest challenge is always managing the sources of food for rats.

  3. Don Thoma:

    The whole reason Aireon was put together was certainly to help improve safety, but The ICAO also provides a significant benefit to the airlines, the fact that you know what's happening — where the aircraft are — allows airlines that fly over oceans to operate more efficiently.

  4. Joseph Simons:

    Staff had significant concerns about the likely anticompetitive effects and had recommended that the Commission block the transaction. Now that the deal has been abandoned, patients and surgeons will continue to benefit from competition.

  5. Don Stewart:

    Sen. McConnell and Chairman Ryan have a strong working relationship going back years, and it includes significant accomplishments like TPA and the soon-to-be-completed multi-year highway bill.

Popularity rank by frequency of use


Translations for significant

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"significant." Definitions.net. STANDS4 LLC, 2024. Web. 29 Feb. 2024. <https://www.definitions.net/definition/significant>.

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    a person or thing that takes or can take the place of another
    • A. disguise
    • B. aspiration
    • C. witness
    • D. substitute

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