de·​lin·​eat·​ed | \ di-ˈli-nē-ˌā-təd How to pronounce delineated (audio) , dē-\

Definition of delineated

1a : having or forming clear edges or boundaries Deserts are wildly heterogeneous, composed of numerous, disparate, sharply delineated microenvironments.— Bil Gilbert These tumors tend to be invasive and extend beyond delineated margins.— Dennis P. O'Brien and Joan R. Coates
b : marked with drawn or painted lines delineated bike lanes the delineated areas of the map
2 : described or portrayed with accuracy or in detail … the military, with its clearly delineated roles, ranks, chains of command, and reservations of authority.— Eric J. McNulty

First Known Use of delineated

1641, in the meaning defined at sense 2

Keep scrolling for more

Learn More about delineated

Statistics for delineated

Last Updated

23 Apr 2019

Look-up Popularity

Time Traveler for delineated

The first known use of delineated was in 1641

See more words from the same year

Keep scrolling for more

Comments on delineated

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


showing great care, attention, and effort

Get Word of the Day daily email!

Test Your Vocabulary

Finance Words Quiz

  • a-piggy-bank
  • The etymology of mortgage is related most closely to which two words?
True or False

Test your knowledge - and maybe learn something along the way.

Syn City

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!