| Adj. | 1. | significant - important in effect or meaning; "a significant change in tax laws"; "a significant change in the Constitution"; "a significant contribution"; "significant details"; "statistically significant"important, of import - of great significance or value; "important people"; "the important questions of the day" meaningful - having a meaning or purpose; "a meaningful explanation"; "a meaningful discussion"; "a meaningful pause" | |
| 2. | significant - fairly large; "won by a substantial margin"considerable - large or relatively large in number or amount or extent or degree; "a considerable quantity"; "the economy was a considerable issue in the campaign"; "went to considerable trouble for us"; "spent a considerable amount of time on the problem" | |
| 3. | 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"statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters | |
| 4. | significant - rich in significance or implication; "a meaning look"; "pregnant with meaning"meaningful - having a meaning or purpose; "a meaningful explanation"; "a meaningful discussion"; "a meaningful pause" | |