Sup‐plant″ (?), v. t. [imp. & p. p.Supplanted (?); p. pr. & vb. n.Supplanting.] [F. supplanter, L. supplantare to trip up one's heels, to throw down; sub under + planta the sole of the foot, also, a sucker, slip, sprout. Cf. Plant, n.] 1. To trip up. “Supplanted, down he fell.” Milton.
2. To remove or displace by stratagem; to displace and take the place of; to supersede; as, a rival supplants another in the favor of a mistress or a prince.
Suspecting that the courtier had supplanted the friend. Bp. Fell.
3. To overthrow, undermine, or force away, in order to get a substitute in place of.
You never will supplant the received ideas of God. Landor.
Syn. — To remove; displace; overpower; undermine; overthrow; supersede.