black flag
noun, verb
Forms black flags black flagging black flagged
- noun A flag with a black color, used as a symbol of anarchism.
- noun (motor racing) A racing flag with a black color, used in auto racing to summon a driver to the pits or to signal disqualification.
- noun (informal, figurative) A cue, warning, or alert; a sign or signal that something is extremely wrong, often something criminal, hideous or atrocious; a extreme red flag.
- verb (transitive) To summon (a racing driver) to the pits by waving a black flag.
Synonyms
Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “black flag”, CC BY-SA 4.0. Details