Definition of 'significant'

Adjective

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"
      Synonyms: important
      Antonyms: insignificant unimportant
2. fairly large; "won by a substantial margin"
      Synonyms: 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"
      Antonyms: nonsignificant
4. rich in significance or implication; "a meaning look"; "pregnant with meaning"
      Synonyms: meaning pregnant

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