green flag

English

green flag (plural green flags)

(literally) A flag that is green, used in motor racing to indicate the beginning or resumption of a race.
- 2018 October 21, Martin Chulov, “Jamal Khashoggi: murder in the consulate”, in Katharine Viner, editor, The Guardian‎, London: Guardian News & Media, →ISSN, →OCLC, archived from the original on 2023-05-17:
  The Saudi Arabian consulate in Istanbul is a homely looking place, much smaller than it seems, nestled into a quiet suburban street, and painted pastel yellow. Were it not for a giant steel door and a green flag flying on the roof – both sporting two large swords – it could easily be an Ottoman-era cottage like many nearby.
(informal, figuratively) A sign or cue that signals a positive trait about someone or something.
- 2021 December 29, Lexi Inks, “15 Early Signs Your Relationship Has Long-Term Potential”, in Bustle‎, archived from the original on 2023-02-03:
  When your partner is going through a tough time — whether on their own or with you involved — how do they manage those emotions? Do they bottle them up and repress their feelings, do they express them, or do they take them out on others? As [Dr. Marissa] Tunis explains, it's a major green flag if your partner "has done work on themselves" to be able to handle their emotions.

colours of flags