Alternative spelling of subpar

(law) Used in case citations to designate a case that has a different name before one court than it did before a previous court.

An excavation underneath something, or the excavation of a subgrade

(law, of a case or matter before a court) Under consideration; being presently considered, litigated, or adjudicated.

plural of sub-system

Alternative spelling of subpage

Alternative form of suboptimal

(rugby, informal) A blood substitution.

(music) Audible sounds below 60 Hz and extending downward to the lowest frequencies humans can hear, typically 20 Hz.

To remove from something or to have one's place taken, especially in sports.