The definition of significant is having meaning, influence or importance.(adjective)
An example of significant is the first person to undergo a heart transplant.
See significant in Webster's New World College Dictionary
Origin: L significans, prp. of significare, to signify
See significant in American Heritage Dictionary 4
Origin: Latin significāns, significant-
Origin: , present participle of significāre, to signify; see signify.
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