|Origin:||desguiser, from guise 'appearance'|
to change someone's appearance so that people cannot recognize them
disguise yourself as somebody/something
Maybe you could disguise yourself as a waiter and sneak in there.
He escaped across the border disguised as a priest.
to change the appearance, sound, taste etc of something so that people do not recognize it:
There's no way you can disguise that southern accent.
disguise something as something
a letter bomb disguised as a musical greetings card