As an adjective alter
As a noun disguise is
attire (eg clothing, makeup) used to hide one's identity or assume another.
As a verb disguise is
to change the appearance of (a person or thing) so as to hide, or to assume an identity.
* altre (obsolete)
To change the form or structure of.
* Bible, Psalms lxxxix. 34
- My covenant will I not break, nor alter the thing that is gone out of my lips.
* Alexander Pope
- No power in Venice can alter a decree.
To become different.
To tailor clothes to make them fit.
To castrate, neuter or spay (a dog or other animal).
(obsolete) To agitate; to affect mentally.
- It gilds all objects, but it alters none.
Attire (e.g. clothing, makeup) used to hide one's identity or assume another.
(figuratively) The appearance of something on the outside which masks what's beneath.
The act of disguising, notably as a ploy
- ''That cape and mask complete his disguise .
- ''Any disguise may expose soldiers to be deemed enemy spies.
To change the appearance of (a person or thing) so as to hide, or to assume an identity.
- Spies often disguise themselves.
To avoid giving away or revealing (something secret); to hide by a false appearance.
- Bunyan was forced to disguise himself as a wagoner.
(archaic) To affect or change by liquor; to intoxicate.
- He disguised his true intentions.
- I have just left the right worshipful, and his myrmidons, about a sneaker or five gallons; the whole magistracy was pretty well disguised before I gave them the ship.