Borrowing from Ancient Greek πολύφλοισβος (polúphloisbos, “loud‐roaring”).
polyphloisbic (comparative more polyphloisbic, superlative most polyphloisbic)
- (poetic, of the sea) noisy, roaring, thundering
- "'Will Hero’s Tower crumble under 15-inch guns? Will the sea be polyphloisbic and wine dark and unvintageable?'" --Rupert Brooke, en route to the Bosporus, as quoted by William Manchester in his Churchill biography, The Last Lion, page 518.