A matter of some significance. A meaning that is expressed or implied: They were offered a few cosmetic improvements to their working conditions, but nothing of significance.
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The state or quality of being significant: Importance, consequence, moment, weight, significance mean a quality or aspect having great worth or significance. And what might be the underlying significance of.
The significance of something is the importance that it has, usually because it will have an effect on a situation or shows something about a situation.
Meanings, etymology, pronunciation and more in the oxford english dictionary