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4 definitions found
 for significant
From The Collaborative International Dictionary of English v.0.48 :

  Significant \Sig*nif"i*cant\, a. [L. significans, -antis, p. pr.
     of significare. See Signify.]
     1. Fitted or designed to signify or make known something
        having a meaning; standing as a sign or token; expressive
        or suggestive; as, a significant word or sound; a
        significant look.
        [1913 Webster]
              It was well said of Plotinus, that the stars were
              significant, but not efficient.       --Sir W.
        [1913 Webster]
     2. Deserving to be considered; important; momentous; as, a
        significant event.
        [1913 Webster]
     Significant figures (Arith.), the figures which remain to
        any number, or decimal fraction, after the ciphers at the
        right or left are canceled. Thus, the significant figures
        of 25,000, or of .0025, are 25.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Significant \Sig*nif"i*cant\, n.
     That which has significance; a sign; a token; a symbol.
     [1913 Webster]
           In dumb significants proclaim your thoughts. --Shak.
     [1913 Webster]

From WordNet (r) 3.0 (2006) :

      adj 1: important in effect or meaning; "a significant change in
             tax laws"; "a significant change in the Constitution"; "a
             significant contribution"; "significant details";
             "statistically significant" [syn: significant,
             important] [ant: insignificant, unimportant]
      2: fairly large; "won by a substantial margin" [syn:
         significant, substantial]
      3: 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" [ant: nonsignificant]
      4: rich in significance or implication; "a meaning look" [syn:
         meaning(a), pregnant, significant]

From Moby Thesaurus II by Grady Ward, 1.0 :

  174 Moby Thesaurus words for "significant":
     absolute, adducible, admissible, allegorical, associational,
     attestative, attestive, augural, authentic, based on, big,
     big-league, big-name, big-time, bigwig, bigwigged, certain,
     circumstantial, cogent, compelling, conclusive, connotational,
     connotative, consequential, considerable, conspicuous, convincing,
     critical, cumulative, damning, decisive, definable, demonstrative,
     denominative, denotational, denotative, designative, determinative,
     diagnostic, documentary, documented, double-barreled, earthshaking,
     eloquent, emblematic, evidence, evidential, evidentiary, ex parte,
     exhibitive, expressive, extended, extensional, eye-witness,
     factual, facund, figural, figurative, final, firsthand, forceful,
     forerunning, foreshadowing, foreshowing, foretokening, forewarning,
     founded on, full of meaning, full of point, full of substance,
     grand, great, grounded on, hearsay, heavy with meaning,
     heavyweight, high-powered, historic, identifying, ideographic,
     idiosyncratic, implicative, implicit, important, impressive,
     in the limelight, incontrovertible, index, indicating, indicative,
     indicatory, indisputable, individual, informative, intelligible,
     intensional, interpretable, intuitive, irrefutable, irresistible,
     major, mark, material, meaning, meaningful, meaty, meritorious,
     metaphorical, momentous, monitory, name, naming, notable,
     noteworthy, nuncupative, outstanding, overwhelming, pathognomonic,
     peculiar, pithy, pointed, powerful, precursive, precursory,
     predictive, prefigurative, pregnant, preindicative, premonitory,
     presageful, presaging, presumptive, probative, prognostic,
     prognosticative, prominent, readable, referential, relevant,
     reliable, representative, rich, self-important, semantic, semiotic,
     sententious, sign, signal, signalizing, significative, signifying,
     sound, substantial, substantive, suggestive, superior, sure,
     symbolic, symbolistic, symbological, symptom, symptomatic,
     symptomatologic, telling, to the front, token, transferred,
     typical, valid, valuable, valued, warning, weighty,

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