significant

significant /sɪgˈnɪfɪkənt/ adjective
significant
/sɪgˈnɪfɪkənt/
adjective
Britannica Dictionary definition of SIGNIFICANT
[more significant; most significant]
1 
: large enough to be noticed or have an effect
2 
: very important
— opposite insignificant
3 
: having a special or hidden meaning