significant
US /sɪɡˈnɪf.ə.kənt/
UK /sɪɡˈnɪf.ə.kənt/
1.
sufficiently great or important to be worthy of attention; noteworthy
:
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There was a significant increase in sales this quarter.
•
Her contributions to the project were truly significant.
2.
having a special or hidden meaning
:
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He gave her a significant look across the room.
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The silence between them was significant.