Flak
Flak noun - Artillery designed to shoot upward at airplanes.
Rap on knuckles and flak are semantically related In some cases you can use "Rap on knuckles" instead a noun "Flak".
Rap on knuckles
Flak and rap on knuckles are semantically related in verbal disapproval topic. Sometimes you can use "Flak" instead a noun phrase "Rap on knuckles".
Mutual synonyms
Related pairs
Cite this Source
Rap on knuckles and Flak. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/flak/rap_on_knuckles
Flak & Rap on knuckles. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/flak/rap_on_knuckles>.
Rap on knuckles or Flak. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/flak/rap_on_knuckles.
