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finny

American  
[fin-ee] / ˈfɪn i /

adjective

finnier, finniest

  1. pertaining to or abounding in fish.

  2. having fins; finned.

  3. finlike.

finny British  
/ ˈfɪnɪ /

adjective

  1. poetic relating to or containing many fishes

  2. having or resembling a fin or fins

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of finny

First recorded in 1580–90; fin 1 + -y 1

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.