Table of Contents POS
HYPHEN
COUNT IN NET
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY
THESAURUS
ROGET THESAURUS

WORDNET DICTIONARY

Adjective mountainous has 3 senses

• mountainous(s = adj.all) cragged, craggy, hilly - having hills and crags; "hilly terrain"
Derived form noun mountain₁

• mountainous(s = adj.all) Array - like a mountain in size and impressiveness; "mountainous waves"; "a mountainous dark man"
• mountainous(s = adj.all) Array - containing many mountains; Array
Derived form noun mountain₁

CIDE DICTIONARY

OXFORD DICTIONARY

THESAURUS

mountainous

Atlantean, Brobdingnagian, Cyclopean, Gargantuan, Herculean, Homeric, abysmal, alpen, alpestrine, alpigene, alpine, amplitudinous, astronomic, astronomical, awesome, boundless, bulky, colossal, cosmic, craggy, elephantine, enormous, epic, extensive, formidable, galactic, giant, giantlike, gigantic, heroic, high, hilly, huge, immeasurable, immense, infinite, jumbo, king-size, knobby, large, mammoth, massive, massy, mighty, monster, monstrous, monticuline, monumental, mountained, outsize, overgrown, prodigious, profound, rolling, sizable, spacious, staggering, steep, stupendous, subalpine, titanic, towering, tremendous, vast, voluminous, weighty

ROGET THESAURUS

mountainous

Height

N height, altitude, elevation, eminence, pitch, loftiness, sublimity, tallness, stature, procerity, prominence, colossus, giant, grenadier, giraffe, camelopard, mount, mountain, hill alto, butte, monticle, fell, knap, cape, headland, foreland, promontory, ridge, hog's back, dune, rising ground, vantage ground, down, moor, moorland, Alp, uplands, highlands, heights, knob, loma, pena, picacho, tump, knoll, hummock, hillock, barrow, mound, mole, steeps, bluff, cliff, craig, tor, peak, pike, clough, escarpment, edge, ledge, brae, dizzy height, tower, pillar, column, obelisk, monument, steeple, spire, minaret, campanile, turret, dome, cupola, skyscraper, pole, pikestaff, maypole, flagstaff, top mast, topgallant mast, ceiling, high water, high tide, flood tide, spring tide, altimetry, batophobia, satellite, spy-in-the-sky, high, elevated, eminent, exalted, lofty, tall, gigantic, Patagonian, towering, beetling, soaring, hanging (gardens), elevated, upper, highest, high reaching, insessorial, perching, upland, moorland, hilly, knobby, mountainous, alpine, subalpine, heaven kissing, cloudtopt, cloudcapt, cloudtouching, aerial, overhanging, incumbent, overlying, superincumbent, supernatant, superimposed, prominent, tall as a maypole, tall as a poplar, tall as a steeple, lanky, on high, high up, aloft, up, above, aloof, overhead, airwind, upstairs, abovestairs, in the clouds, on tiptoe, on stilts, on the shoulders of, over head and ears, breast high, over, upwards, from top to bottom, e meglio cader dalle finistre che dal tetto.

For further exploring for "mountainous" in Webster Dictionary Online