Etymology From Middle English guise, gise, gyse, from Old French guisse, guise, vise (“guise, manner, way”), from Old Frankish *wīsa (“manner, way, fashion”), from Proto-Germanic *wīsǭ (“manner, way”), from Proto-Indo-European *weyd- (“to see, view, behold, perceive”). Cognate with Old High German wīsa (“way, manner”), Old English wīse (“way, manner”), Dutch wijze (“way, manner”). More at wise.
1
A customary way of speaking or acting; a fashion, a manner, a practice (often used formerly in such phrases as "at his own guise"; that is, in his own fashion, to suit himself.)
1924, Aristotle. Metaphysics. Translated by W. D. Ross. Nashotah, Wisconsin, USA: The Classical Library, 2001. Aristotle. Metaphysics. Book 1, Part 5. dialecticians and sophists assume the same guise as the philosopher
2
An external appearance in manner or dress; an appropriate indication or expression; a garb; a shape.
3
A misleading appearance; a cover, a cloak.
Under the guise of patriotism
Ought we be concerned that our rights to protest are being continually eroded under the guise of enhancing our safety?2013 September 13, Russell Brand, The Guardian:
2 more examples
This was almost like a behind-closed-doors pre-season friendly in an international guise so it comes as no surprise that England lacked the sort of sharpness and inspiration that would have come with more match practice.2020 September 5, Phil McNulty, “Iceland 0-1 England”, in BBC Sport:
But in the blink of an eye, you kissed me goodbye And the taste of your lips left me mortified They were cold, full of spite And under a guise You promised we'd both be dead that night2022, Vane, “Six Feet Under”:
Etymology From Middle English guise, gise, gyse, from Old French guisse, guise, vise (“guise, manner, way”), from Old Frankish *wīsa (“manner, way, fashion”), from Proto-Germanic *wīsǭ (“manner, way”), from Proto-Indo-European *weyd- (“to see, view, behold, perceive”). Cognate with Old High German wīsa (“way, manner”), Old English wīse (“way, manner”), Dutch wijze (“way, manner”). More at wise.