sub·​ja·​cent ˌsəb-ˈjā-sᵊnt How to pronounce subjacent (audio)
: lying under or below
also : lower than though not directly below
hills and subjacent valleys
subjacently adverb

Word History


Latin subjacent-, subjacens, present participle of subjacēre to lie under, from sub- + jacēre to lie — more at adjacent

First Known Use

1583, in the meaning defined above

Time Traveler
The first known use of subjacent was in 1583

Dictionary Entries Near subjacent

Cite this Entry

“Subjacent.” Dictionary, Merriam-Webster, Accessed 11 Dec. 2023.

Medical Definition


sub·​ja·​cent səb-ˈjās-ᵊnt How to pronounce subjacent (audio)
: lying immediately under or below
subjacent tissue
severe bone loss subjacent to gingival inflammation
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