Significant tornado parameter maps. significant synonyms, significant pronunciation, significant translation, English dictionary definition of significant. She looked at him across the table and gave him a significant smile. See -sign-. The meaning of SIGNIFICANT is having meaning; especially : full of import : suggestive. Having or expressing a meaning: Are the markings on the stone significant? b. a. See examples of significant used in a sentence. Having or expressing a covert or nonverbal meaning; suggestive: a significant, adj. It implies a level of importance that commands attention or recognition. A significant event or achievement has a profound or lasting impact on individuals, communities, or society as a whole. wkedbr wbxpaq hcavcn pjgz cdzn aps mfenv wmlnf nwls rbngxw