Meaning of significant

significant




Use the adjective significant to describe something that is important. Your “significant other” means the person who’s most important in your life. A significant result in a scientific study is a result large enough to matter.

A less common meaning of significant is to describe something that has a special or hidden meaning. A significant smile can convey feelings or information without words. This adjective is from Latin significans, from significare “to signify,” from signum “a sign, mark” plus facere “to make.”

Definitions of significant
  1. adjective

    rich in significance or implication

    synonyms:

    meaning, pregnant

    meaningful

    having a meaning or purpose
  2. adjective

    important in effect or meaning

    “a
    significant change in tax laws”
    “a
    significant change in the Constitution”
    “a
    significant contribution”
    significant details”
    “statistically
    significant
    synonyms:

    important

    important, of import

    of great significance or value
    meaningful

    having a meaning or purpose
    momentous

    of very great significance
    epoch-making, epochal

    highly significant or important especially bringing about or marking the beginning of a new development or era
    earthshaking, world-shaking, world-shattering

    sufficiently significant to affect the whole world
    evidential, evidentiary

    serving as or based on evidence
    fundamental, profound

    far-reaching and thoroughgoing in effect especially on the nature of something
    large

    fairly large or important in effect; influential
    monumental

    of outstanding significance
    noteworthy, remarkable

    worthy of notice
    probative, probatory

    tending to prove a particular proposition or to persuade you of the truth of an allegation
    operative

    effective; producing a desired effect
    portentous, prodigious

    of momentous or ominous significance
    see moresee less

    Antonyms:

    insignificant, unimportant

    devoid of importance, meaning, or force
    unimportant

    not important
    meaningless, nonmeaningful

    having no meaning or direction or purpose
    hole-and-corner, hole-in-corner

    relating to the peripheral and unimportant aspects of life
    flimsy, fragile, slight, tenuous, thin

    lacking substance or significance
    inappreciable

    too small to make a significant difference
    light

    having little importance
    superficial, trivial

    of little substance or significance
    show more antonyms…

  3. adjective

    fairly large

    synonyms:

    substantial

    considerable

    large or relatively large in number or amount or extent or degree
  4. adjective

    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”
    see moresee less

    Antonyms:

    nonsignificant

    attributable to chance

Word Family

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