Толковый словарь английского языка Oxford English Reference - significant

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