magnitude

1 the quality or state of being important the magnitude of the issue can scarcely be overstated Synonyms account, consequence, import, importance, moment, momentousness, significance, weight, weightinessRelated Words celebrity, distinction, eminence, fame, note, noteworthiness, notoriety, preeminence, prominence, renown; store, substance, substantiveness, value, worth, worthiness; gravity, seriousness; authority, control, dominion, mastery, potency, power, sway; mark, name, report, reputation, repute; centrality, essentiality, essentialness; cachet, position, prestige, rank, standing, stature, status; glory, greatness, honor, illustriousnessNear Antonyms paltriness, pettiness, valuelessness, worthlessness; discredit, disgrace, dishonor, disrepute, ignominy, infamy, odium, opprobrium, shame; anonymity; obscurityAntonyms insignificance, littleness, puniness, slightness, smallness, triviality

2 the quality or state of being very large the mountain's sheer magnitude usually leaves tourists speechless Synonyms enormity, enormousness, giantism, gigantism, hugeness, immenseness, immensity, massiveness, prodigiousness, vastitude, vastnessRelated Words bigness, extensiveness, greatness, largeness, sizableness, voluminousness, weightiness; awesomeness, grandness, stupendousness, tremendousness; boundlessness, limitlessness; ampleness, capaciousness, commodiousness, spaciousness; excessiveness, extravagance, extremeness, gaudiness, grandiosity, immoderacyNear Antonyms littleness, puniness, smallness; trivialityAntonyms diminutiveness, minuteness, tininess

3 the total amount of measurable space or surface occupied by something the magnitude of the planned skyscraper is totally disproportionate with that of the other buildings on the block Synonyms bulk, dimension, extent, size, measure, measurement, proportionRelated Words area; capaciousness, commodiousness, roominess, spaciousness; ampleness, amplitude, bigness, bulkiness, enormousness, grandness, greatness, grossness, heftiness, hugeness, immenseness, immensity, largeness, mass, massiveness, monstrousness, stupendousness, tremendousness, vastness, volume, voluminousness