disguise

UK: dɪsˈɡaɪz | US: dɪsˈɡaɪz

Definition
  1. n. a means of altering one's appearance to conceal identity

  2. vt. to alter appearance or behavior to conceal identity or truth

Structure
dis <away, opposite>guise <appearance, manner>
Etymology

disguise = dis<away, opposite> + guise<appearance, manner>

  • dis: Prefix meaning "away" or "opposite," from Latin dis-.
  • guise: Root meaning "appearance" or "manner," from Old French guise (style, fashion), ultimately from Germanic wīsōn (to show, direct).

Etymology Origin:
The word "disguise" originated in Middle English (14th century) from Old French desguiser (to change one's appearance), combining des- (dis-, away) + guise (appearance). The term reflects the idea of "diverging from one’s usual appearance" to deceive or hide. Over time, it broadened to include behavioral concealment (e.g., disguising emotions).

Examples
  1. She wore a wig and glasses as a disguise to avoid recognition.

  2. The spy disguised himself as a waiter to gather information.

  3. His cheerful tone disguised his true feelings of disappointment.

  4. The thief used a fake mustache as a poor disguise.

  5. The software can disguise malicious code within harmless files.