significant

(sĭg-nĭf'ĭ-kənt)
adj.

1. Having or expressing a meaning; meaningful.
2. Having or expressing a covert meaning; suggestive: a significant glance. See synonyms at expressive.
3. Having or likely to have a major effect; important: a significant change in the tax laws.
4. Fairly large in amount or quantity: significant casualties; no significant opposition.
5. Statistics. Of or relating to observations or occurrences that are too closely correlated to be attributed to chance and therefore indicate a systematic relationship.

[Latin significāns, significant-, present participle of significāre, to signify. See signify.]

significantly sig·nif'i·cant·ly adv.

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Important, essential, distinctive, or of sufficient nature to warrant special notice relative to a standard or norm. The deviation may be of such magnitude that its occurrence is probably not due to chance. Significant events often require disclosure in the body or footnote to the financial statements.

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adjective

1. Effectively conveying meaning, feeling, or mood: eloquent, expressive, meaning, meaningful. See express, show/hide.
2. Conveying hidden or unexpressed meaning: meaningful, pregnant, suggestive. See meaning.
3. Having great significance: big, consequential, considerable, historic, important, large, material, meaningful, monumental, substantial. See important/unimportant.

adj

Definition: important, critical
Antonyms: insignificant, minor, trivial, unimportant

adj

Definition: telling, meaningful
Antonyms: insignificant, meaningless, unimportant

IN BRIEF: Important, meaningful.

Letters are among the most significant memorial a person can leave behind them. — Johann Wolfgang von Goethe (1749-1832), German philosopher.

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(in statistics) reaching a degree of probability that experimental values lie on a distribution different from that of control values, such that the investigator will conclude that experimental and control samples differ, using tests such as Student's t-test or the chi-square test. The degree of probability that will be accepted as indicating a significant difference depends on the type of investigation being conducted. If the tests indicate that the probability that the results are due to chance is ≥5% (for biological or medical studies) or ≤1% or, in some cases, ≤0.1% (for biochemical studies), differences are considered significant.
—significance n.

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Said of an experimental result when it is greater than would be expected by chance. The degree of the significance can be expressed as a percentage, given the likely probability of the results occurring.

• s. digit — the number of decimal places for which the result is accurate.

For a list of words related to significant, see:

• Special, Bright, Skillful, or Unusual

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See words rhyming with "significant."

Common misspelling(s) of significantly

• signifantly
• significently

Dansk (Danish)
adj. - betydningsfuld, signifikant, værd at lægge mærke til, talende

idioms:

• significant digit    signifikant tal
• significant figure    signifikant tal
• significant other    bedre halvdel

Nederlands (Dutch)
significant, belangrijk, veelbetekenend, veelzeggend

Français (French)
adj. - considérable, important, éloquent, significatif, lourd de sens

idioms:

• significant digit    (Math) chiffre significatif
• significant figure    (Math) chiffre significatif
• significant other    personne importante dans sa vie, l'autre/sa moitié (époux, femme)

Deutsch (German)
adj. - bedeutend, bedeutsam, bedeutungsvoll

idioms:

• significant digit    (Math.) signifikante Ziffer
• significant figure    (Math.) signifikante Ziffer
• significant other    Ehepartner, Lebenspartner

Ελληνική (Greek)
adj. - δηλωτικός, ενδεικτικός, σημαντικός, βαρυσήμαντος, (μαθημ.) (στατιστικά) σημαντικός

idioms:

• significant digit    (μαθημ.) σημαντικό ψηφίο
• significant figure    (μαθημ.) χαρακτηριστικός αριθμός
• significant other    το έτερο ήμισυ

Italiano (Italian)
importante, significativo

idioms:

• significant figure/digit    cifra non zero
• significant other    consorte

Português (Portuguese)
adj. - significativo, sugestivo

idioms:

• significant figure/digit    dígitos (m pl) significativos
• significant other    companheiro (m)

Русский (Russian)
знаменательный, показывающий, существенный, многозначительный, знак, символ, указание

idioms:

• significant figure/digit    значащая цифра
• significant other    "связанное со мною лицо" (жена, муж)

Español (Spanish)
adj. - importante, significativo, mucho

idioms:

• significant digit    dígito significativo
• significant figure    cifra significativa
• significant other    una persona importante para el bienestar propio, por ej.: esposo(a)

Svenska (Swedish)
adj. - betydande, viktig, betydelsefull, meningsfull, menande, markant, signifikant

中文（简体）(Chinese (Simplified))
重要的, 暗示的, 有含义的

idioms:

• significant digit    有效数字
• significant figure    有效数字
• significant other    对个人的行为或自尊心有重大影响的长辈或平辈人, 配偶或长期的同居人

中文（繁體）(Chinese (Traditional))
adj. - 重要的, 暗示的, 有含義的

idioms:

• significant digit    有效數字
• significant figure    有效數字
• significant other    對個人的行為或自尊心有重大影響的長輩或平輩人, 配偶或長期的同居人

한국어 (Korean)
adj. - 중대한, 암시적인, 함축성 있는

日本語 (Japanese)
adj. - 重要な, 意義深い, 意味ありげな, 意味を表わす, 意味の差を表わす, 有意の

idioms:

• significant figure/digit    有効桁, 有効数字
• significant other    もう一方の性別, 恋人

العربيه (Arabic)
‏(صفه) هام, ذو معنى‏

עברית (Hebrew)
adj. - ‮משמעותי, ניכר, לא מבוטל, בולט, חשוב, משמעי, בעל משמעות‬

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