- poetic relating to or containing many fishes
- having or resembling a fin or fins
WordReference Random House Unabridged Dictionary of American English © 2026
fin•ny
(fin′ē),USA pronunciation adj., -ni•er, -ni•est.
- pertaining to or abounding in fish.
- Zoologyhaving fins;
finned. - finlike.
- fin + -y1 1580–90
Collins Concise English Dictionary © HarperCollins Publishers::
finny /ˈfɪnɪ/ adj ( -nier, -niest)