unmask

1. (transitive) To remove a mask from someone.transitive

2. (transitive) To expose, or reveal the true character of someone.Examples: "The Charieſt maide is prodigall enough, / If ſhe vnmaske hir beautie to the Moone."transitive

3. (intransitive) To remove one's mask.Examples: "But instead of a direct answer to so important a question, Jones began to be very importunate with the lady to unmask; and at length having prevailed, there appeared not Mrs Fitzpatrick, but the Lady Bellaston herself."intransitive

4. (intransitive) To cease engaging in masking, to cease disguising one's autism.Examples: "[…] to unmask and to assume her 'natural' role (rather than her 'fitting in' role)."; "Autistic females are trying to adhere to social expectations placed upon them, and masking and blending to fit those expectations, […] How do you unmask when you have spent a [long time masking]."intransitive

5. (transitive, military, dated) To expose something that was concealed or shielded from an enemy.Examples: "He recalled his horse. This, retiring, unmasked the heavy infantry, which Hannibal called in from either flank and sent with a vigorous élan in close column across the ford against the ill-arrayed barbarians, followed by the cavalry, which had formed again in its rear."; "In less than an hour the batteries were unmasked. The Confederate works were visible and at 5:08 a.m., Seymour ordered the batteries to commence firing."datedtransitive

6. (transitive, computing) To enable (an interrupt, etc.) by unsetting or setting the associated bit.transitive