double-barrelled

adjective3

1. •
   Twofold, having a double purpose or nature.

   • Alexander Taylor, a native of Stonehaven who in the later forties went to Edinburgh, where he enjoyed a double-barrelled reputation as a rhymester and as an astronomer. — 1972
2. •
   Having two separate parts, often adjoined by a hyphen (or sometimes a space).

   • Almost unbelievably, some authors have formed the erroneous conception that ‘Hobson-Jobson’ is actually the double-barrelled surname of the dictionary’s editor. — 2018
3. •
   (figurative) Forceful, powerful (like a double-barrelled shotgun).

   • Range Rover ran an ad campaign referring to grouse shooting with the line: “There’s only one car for the double-barrelled.” — 2023