Disprove, v. t. [imp. & p. p. Disproved; p. pr. & vb. n. Disproving.]
Etymology: [Pref. dis- + prove: cf. OF. desprover.]
1. To prove to be false or erroneous; to confute; to refute. That false supposition I advanced in order to disprove it. Atterbury.
2. To disallow; to disapprove of. [Obs.] Stirling.
Shades of meaning
Fernald has no entry of its own for disprove; he lists it under refute.
He lists it without comment; the entries above explain its neighbors.