Forbidding means looking hostile and unwelcoming. A forbidding cliff, a forbidding expression, forbidding grey walls.
It describes the impression a thing gives rather than what it does, so a forbidding house may be perfectly comfortable inside. Landscapes and faces take it most often. Note that forbidding is also the plain participle of forbid, which is a different word doing a different job.
1adjectiveforbiddingLooking hostile and unwelcoming.
“The castle looked dark and forbidding against the stormy sky.”
forbidding is a quality of appearance.
Proto-Indo-European
*bʰewdʰ-
Proto-Germanic
*furibeudaną
Old English
forbēodan — to forbid, prohibit, restrain, refuse, repeal, annul
Middle English
forbeden
English
forbid
English, today
forbidding
by surface analysis, forbid + -ing. forbid comes from Middle English forbeden, from Old English forbēodan (“to forbid, prohibit, restrain, refuse, repeal, annul”), from Proto-Germanic furibeudaną, from furi + beudaną. Equivalent to for + bid. Cognate with Dutch verbieden (“to forbid”), German verbieten (“to forbid”), Danish forbyde (“to forbid”), Norwegian Bokmål forby (“to forbid”), Swedish förbjuda (“to forbid”), Gothic 𐍆𐌰𐌿𐍂𐌱𐌹𐌿𐌳𐌰𐌽. Related to forbode.
Etymology from Wiktionary, CC BY-SA