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

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The first known use of delineated was in 1641

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Cite this Entry

“Delineated.” Dictionary, Merriam-Webster, Accessed 25 Jan. 2021.

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