significant
adjective
1. important in effect or meaning
- a significant change in tax laws
- a significant change in the Constitution
- a significant contribution
Similar word(s): important, meaningful, momentous, epochal, earthshaking, evidential, evidentiary, fundamental, profound, large, monumental, notable, noteworthy, remarkable, probative, probatory, operative, portentous, prodigious, important
2. of considerable importance, size, or worth
Similar word(s): considerable, substantial
3. (statistics) Having a low probability of occurring by chance (for example, having high correlation and thus likely to be related)
- the interaction effect is significant at the .01 level
- no significant difference was found
4. rich in significance or implication
- a significant silence
Similar word(s): meaningful, meaning, pregnant
Sentences with significant as an adjective:
- a significant word or sound; a significant look
- That was a significant step in the right direction.
- The First World War was a significant event.
noun
1. That which has significance; a sign; a token; a symbol.