Definition of allopelagic

: of or relating to marine organisms occurring irregularly at the surface or at varying depths in response to influences other than temperature

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

First Known Use of allopelagic

1891, in the meaning defined above

History and Etymology for allopelagic

International Scientific Vocabulary all- + pelagic; originally formed as German allopelagisch

Keep scrolling for more

Learn More about allopelagic

Time Traveler for allopelagic

Time Traveler

The first known use of allopelagic was in 1891

See more words from the same year

Statistics for allopelagic

Cite this Entry

“Allopelagic.” The Dictionary, Merriam-Webster Inc., Accessed 18 January 2020.

Comments on allopelagic

What made you want to look up allopelagic? Please tell us where you read or heard it (including the quote, if possible).


experienced by way of someone else

Get Word of the Day daily email!

Test Your Vocabulary

The Eponym Quiz

  • rubens painting
  • Which is the best synonym of bowdlerize?
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!