su ‧ perb /sjuːˈpɜːb, suː- $ sʊˈpɜːrb/ BrE AmE adjective [no comparative]
[ Date: 1500-1600 ; Language: Latin ; Origin: superbus 'proud, grand' , from super ; ⇨ ↑ super- ]
extremely good SYN excellent :
The food was superb.
superb weather
—superbly adverb