reefless

From reef +‎ -less.

reefless (not comparable)

1. Having no reefs.
   • 1988 March, John F. Marshall & Peter J. Davies, “Halimeda bioherms of the northern Great Barrier Reef”, in SpringerLink‎^[1]:

     The reefless tract directly behind the ribbon reefs on the outer shelf off Cooktown supports a luxuriant growth of Halimeda that, during the Holocene, has developed into bioherms.