Corrupt (kr-rpt), a. — Webster enters it under “corrupt”
Etymology: [L. corruptus, p. p. of corrumpere to corrupt; cor- + rumpere to break. See Rupture.]
1. Changed from a sound to a putrid state; spoiled; tainted; vitiated; unsound. Who with such corrupt and pestilent bread would feed them. Knolles.
2. Changed from a state of uprightness, correctness, truth, etc., to a worse state; vitiated; depraved; debased; perverted; as, corrupt language; corrupt judges. At what ease Might corrupt minds procure knaves as corrupt To swear against you. Shak.
3. Abounding in errors; not genuine or correct; as, the text of the manuscript is corrupt.
2 other Webster entries under this spelling
Corrupt, v. t. [imp. & p. p. Corrupted; p. pr. & vb. n. Corrupting.]
1. To change from a sound to a putrid or putrescent state; to make putrid; to putrefy.
2. To change from good to bad; to vitiate; to deprave; to pervert; to debase; to defile. Evil communications corrupt good manners. 1. Cor. xv. 33.
3. To draw aside from the path of rectitude and duty; as, to corrupt a judge by a bribe. Heaven is above all yet; there sits a Judge That no king can corrupt. Shak.
4. To debase or render impure by alterations or innovations; to falsify; as, to corrupt language; to corrupt the sacred text. He that makes an ill use of it [language], though he does not corrupt the fountains of knowledge, . . . yet he stops the pines. Locke.
5. To waste, spoil, or consume; to make worthless. Lay not up for yourselves treasures upon earth, where moth and rust doth corrupt. Matt. vi. 19.
Corrupt (kr-rpt), v. i.
1. To become putrid or tainted; to putrefy; to rot. Bacon.
2. To become vitiated; to lose putity or goodness.
Shades of meaning
Fernald lists corrupted only as an antonym, under perfect.
Where he writes about it:
The innocent are often contaminated by association with the wicked; the vicious are more and more corrupted by their own excesses. — from defile