reigning (not comparable)
- Currently ruling or holding a position.
- The reigning world heavyweight champion said he'd defend his title once more and then retire even if he won.
- 1945 July and August, “Notes and News: Duplicate Locomotive Names”, in Railway Magazine, page 235:
- The reigning monarch, King George VI, is commemorated by two express engines—G.W.R. "King" 4-6-0 No. 6028 and L.M.S.R. streamlined Pacific No. 6244— […] .