adj.1 having a meaning; indicative.
2 having an unstated or secret meaning; suggestive (refused it with a significant gesture).
3 noteworthy; important; consequential (a significant figure in history).
4 Statistics of or relating to the significance in the difference between an observed and calculated result.
Phrases and idioms:
significant figure Math. a digit conveying information about a number containing it, and not a zero used simply to fill vacant space at the beginning or end.
Derivatives:
significantly adv.
Etymology: L significare: see SIGNIFY