world-class

[wurld-klas, -klahs] /ˈwɜrldˈklæs, -ˈklɑs/
adjective
1.
ranking among the world's best; outstanding:
a world-class orchestra.
2.
attracting or comprising world-class players, performers, etc.:
a world-class tennis tournament.
3.
Informal. being a notorious example of its kind:
a world-class slob.
Also, worldclass.
Origin
1945-50
British Dictionary definitions for world-class

world-class

adjective
1.
of or denoting someone with a skill or attribute that puts him or her in the highest class in the world: a world-class swimmer
Slang definitions & phrases for world-class

world-class

adjective

Very superior; outstanding; super-excellent: a few of the nasties are scenery-chomping world-class scum/ took one look at me and bolted off in world-class time!

[1950+; fr the superiority of an athlete who competes successfully in the Olympic Games or other worldwide events]