n. 1 magnitude, largeness, bigness, bulk, extent, scope, range, dimensions, proportions, measurement(s), expanse, area, square footage, volume, mass, weight; hugeness, immensity, greatness, vastness, enormousness How do astronomers determine the distance and size of stellar objects? A shape of extraordinary size suddenly loomed up in the darkness
v. 2 dimension, measure The furnishings are sized in proportion to these miniature room displays 3 size up. assess, judge, evaluate, measure, take the measure of, appraise, assay, make an estimate of, estimate, value, gauge, rate She looked him up and down, sizing him up as a prospective husband