in a different league

: partly or totally unlike in nature, form, or quality : dissimilar

: not the same: such as

: distinct

: differently

: any of various units of distance from about 2.4 to 4.6 statute miles (3.9 to 7.4 kilometers)

: a square league

: an association of nations or other political entities for a common purpose

: an association of persons or groups united by common interests or goals

: a group of sports teams that regularly play one another

: to unite in a league

: to form a league