Antonyms of adj subjacent

1 sense of subjacent

Sense 1
subjacent (vs. superjacent) -- (lying nearby but lower; "hills and subjacent valleys")

superjacent (vs. subjacent) -- (lying immediately above or on something else)
        => incumbent -- (lying or leaning on something else; "an incumbent geological formation")
        => overlying, superimposed -- (placed on or over something else; "an overlying image")
        => superincumbent -- (lying or resting on and exerting pressure on something else; "superincumbent layers of dead plants cut off the air and arrested decomposition")

Similarity of adj subjacent

1 sense of subjacent

Sense 1
subjacent (vs. superjacent) -- (lying nearby but lower; "hills and subjacent valleys")
       => underlying -- (located beneath or below)