important in effect or meaning; "a significant change in tax laws"; "a significant change in the Constitution"; "a significant contribution"; "significant details"; "statistically significant"
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"
abnormally expanded or increased in size; (`swollen' is sometimes used in combination); "distended wineskins"; "the need to clean out swollen inventories"; "the raisins were plump and soft and swollen from being soaked"; "huge blood-swollen mosquitoes"