disguise

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To modify the manner or appearance of in order to prevent recognition.
2. v. To furnish with a disguise.
3. v. To conceal or obscure by dissemblance or false show; misrepresent: disguise one's true intentions.
4. n. The act or an instance of disguising.
5. n. The condition of being disguised.
6. n. Clothes or accessories worn to conceal one's true identity.
7. n. Appearance that misrepresents the true character of something: a blessing in disguise.
8. n. A pretense or misrepresentation: His repeated references to his dangerous hobbies were only a disguise to cover up his insecurity.

Century Dictionary and Cyclopedia

1. To conceal the personal identity of, by changes of guise or usual appearance, such as those produced by differences in dress or in the hair or beard, the use of a mask, etc.
2. To conceal or cover up the real or original character of by a counterfeit form or appearance; cloak by false show, deceptive statement or speech, or an artificial manner: as, to disguise the handwriting; to disguise the taste of a drug; to disguise sentiments or intentions.
3. To alter the appearance of; make difficult of recognition by some change not intended for concealment.
4. To change in voice or behavior by the use of strong drink; intoxicate.
5. To distinguish by a difference of form or guise.
6. Synonyms Simulate, etc. (see dissemble), mask, veil.
7. n. That which disguises; something that serves or is intended for concealment of identity, character, or quality; a deceptive covering, condition, manner, etc.
8. n. The act of disguising, or the state of being disguised; a false or misleading appearance; concealment under a disguised form, manner, etc.: as, his attempted disguise was unsuccessful; a thief in disguise.
9. n. Change of behavior and utterance by drink; intoxication.
10. n. A masque; an interlude.

Wiktionary

1. n. An attire (e.g. clothing) used to hide one's identity or assume another.
2. n. figuratively The appearance of something on the outside which masks what's beneath.
3. n. The act of disguising, notably as a ploy
4. v. transitive To change the appearance of (a person or thing) so as to hide, or to assume an identity.
5. v. transitive To prevent giving away or revealing (something secret).

GNU Webster's 1913

1. v. To change the guise or appearance of; especially, to conceal by an unusual dress, or one intended to mislead or deceive.
2. v. To hide by a counterfeit appearance; to cloak by a false show; to mask
3. v. To affect or change by liquor; to intoxicate.
4. n. A dress or exterior put on for purposes of concealment or of deception.
5. n. Artificial language or manner assumed for deception; false appearance; counterfeit semblance or show.
6. n. Change of manner by drink; intoxication.
7. n. obsolete A masque or masquerade.

WordNet 3.0

1. n. the act of concealing the identity of something by modifying its appearance
2. n. any attire that modifies the appearance in order to conceal the wearer's identity
3. v. make unrecognizable
4. n. an outward semblance that misrepresents the true nature of something