v. & n.
v.tr. 1 (often foll. by as) alter the appearance, sound, smell, etc., of so as to conceal the identity; make unrecognizable (disguised herself as a policewoman; disguised the taste by adding sugar). 2 misrepresent or cover up (disguised the truth; disguised their intentions).
n. 1 a a costume, false beard, make-up, etc., used to alter the appearance so as to conceal or deceive. b any action, manner, etc., used for deception. 2 a the act or practice of disguising; the concealment of reality. b an instance of this. in disguise 1 wearing a concealing costume etc. 2 appearing to be the opposite (a blessing in disguise). disguisement n.
[ ME f. OF desguis(i)er (as DIS-, GUISE) ]