altitude

1 the distance of something or someone from bottom to top the altitude of the highest mountain in the U.S. is only about two thirds that of the highest mountain in the world Synonyms of altitude height, elevation, inches, statureWords Related to altitude rise; highness, loftiness, tallness

2 the most extreme or advanced point a man whose arrogance continues to reach new altitudes Synonyms of altitude depth, extremity, limitWords Related to altitude consummation, epitome, quintessence, ultimate

3 usually altitudes pl  an area of high ground the air is thinner at higher altitudes Synonyms of altitude height(s), elevation, eminence, highland, hill, hump, mound, prominence, rise, uplandWords Related to altitude alp, mount, mountain, peak; butte, mesa, plateau, table, tableland; bluff, cliff, crag, precipice, steep, tor; ridge, sierra; dome, sugarloaf; foothill, hillock, hummock, knob, knoll; downsNear Antonyms of altitude dale, dell, depression, dingle, glen, hollow, vale, valley; basin, bottom, bottomland, fen, flat, floodplain, plain, tidewaterAntonyms of altitude lowland