The Oxford Thesaurus An A-Z Dictionary of Synonyms - mountainn.

1) height, elevation, mount, eminence, prominence, peak, alp, tor, summit, No. Eng. and Scots fell, Scots and Irish English ben: Her favourite sport is climbing mountains. 2) heap, pile, stack, mound, accumulation, abundance, mass, Colloq ton(s) , heaps, piles, stacks: I have a mountain of laundry to do.