disguisedisguisedisguisesdisguiseddisguising1verb (disguises, disguising, disguised)to change the appearance of somebody or something so that people will not know who or what they are: They disguised themselves as guards and escaped from the prison.disguisedisguisedisguises2nounthings that you wear so that people do not know who you are: She is so famous that she has to go shopping in disguise.