Adjective mountain has 1 sense
- mountain - relating to or located in mountains; "mountain people"
Antonym: lowland (indirect, via upland)
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Noun mountain has 2 senses
- mountain, mount - a land mass that projects well above its surroundings; higher than a hill
--1 is a kind of natural elevation, elevation
--1 has parts: mountain peak; mountainside, versant
--1 has particulars: alp; ben; seamount; volcano
- tons, dozens, heaps, lots, mountain, piles, scores, stacks, loads, rafts, slews, wads, oodles, gobs, scads, lashings - a large number or amount; "made lots of new friends"; "she amassed a mountain of newspapers"
--2 is a kind of large indefinite quantity, large indefinite amount
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