sail under false colors

English edit

Verb edit

sail under false colors (third-person singular simple present sails under false colors, present participle sailing under false colors, simple past and past participle sailed under false colors)

  1. (idiomatic, nautical, obsolete) To deceive or intentionally mystify.
    • 1869, Annie Thomas, “Miss Vargrave Nearly Lands a Fish”, in False Colours. [], volume II, London: Tinsley Brothers, [], →OCLC, page 251:
      They were all not exactly sailing under false colours, but deceiving themselves as to their motives—and one another, to a lesser degree, by their actions.

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