bulk

1 the largest part or quantity of something agriculture makes up the bulk of the country's economy Synonyms majority, generality, lion's share, mass, preponderanceRelated Words plurality; maximum, most; abundance, heap, loads, lot, much, oodles, plenty, profusion, reams, scads, wealthNear Antonyms couple, few, handful, smattering, sprinkling; least, minimumAntonyms minority

2 the main or greater part of something as distinguished from its subordinate parts the cookie lost a few crumbs, but the bulk of it remained Synonyms brunt, body, chief, core, generality, heft [archaic], main, mass, staple, weightRelated Words majority; aggregate, amount, entirety, quantum, sum, sum total, total, totality, whole; bottom, essence, essentiality, marrow, meat, nature, pith, quintessence, root, soul, stuff, substance; center, heart, hub, kernel, middle, nucleus, nut, seat; affair, argument, burden, crux, focus, gist, nub, pitch, point, purport; matter, motif, subject, text, theme, topicNear Antonyms accessory (also accessary), adjunct, appendage, extension, offshoot; component, constituent, element, ingredient; division, part, piece, section, segment; angle, aspect, facet, feature, quality, side

3 the total amount of measurable space or surface occupied by something due to its bulk, we were unable to get the television set into the backseat of the car Synonyms size, dimension, extent, magnitude, 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