Significant

Definitions

Sufficiently great or important to be worthy of attention; noteworthy.

Having a particular meaning; indicative of something.

Examples

There has been a significant improvement in her performance since she started practicing daily.

The discovery of the ancient ruins is a significant milestone for local archaeology.

Synonyms

Important Meaningful Substantial Noteworthy Considerable Momentous Weighty

Antonyms

Insignificant Trivial Negligible Unimportant Minor Inconsequential Trifling