Most resembling fins or having the most fin-like qualities; the superlative form of finny indicating the greatest degree of fin-like appearance.
Superlative form of finny, using the standard '-est' suffix. Describes the maximal expression of fin-like characteristics or fin abundance.
The 'finniest' fish in the ocean are probably seahorses and pipefish—they have tiny fins all over their bodies that let them pivot and twist in ways normal fish can't even attempt!
Complete word intelligence in one call. Free tier — 50 lookups/day.