Synonyms for BIG

Big

1.	mas·sive  /ˈmæs ɪv / adjective 1. consisting of or forming a large mass; bulky and heavy: massive columns. 2. large and heavy-looking: a massive forehead. 3. large in scale, amount, or degree: a massive breakdown in communications; massive reductions in spending. 4. solid or substantial; great or imposing: massive erudition.
2	bump·er /ˈbʌm pər/  noun 1. a person or thing that bumps. 2. a metal guard, usually horizontal, for protecting the front or rear of an automobile, truck, etc. 3. any protective rim, guard, pad, or disk for absorbing shock and preventing damage from bumping, as a rubber-tipped doorstop or an old tire on the side of a boat. 4. a cup or glass filled to the brim, as with beer. 5. Informal. something unusually large.
3	co·los·sal /kəˈlɒs əl/  adjective 1. extraordinarily great in size, extent, or degree; gigantic; huge. 2. of or resembling a colossus. 3. ( initial capital letter  ) Architecture . noting or pertaining to a classical order whose columns or pilasters span two or more stories of a building.
4	in·fi·nite /ˈɪn fə nɪt/   adjective 1. immeasurably great: an infinite capacity for forgiveness. 2. indefinitely or exceedingly great: infinite sums of money. 3. unlimited or unmeasurable in extent of space, duration of time, etc.: the infinite nature of outer space. 4. unbounded or unlimited; boundless; endless: God's infinite mercy. 5. Mathematics . a. not finite. b. (of a set) having elements that can be put into one-to-one correspondence with a subset that is not the given set.
5	large-scale /ˈlɑrdʒˈskeɪl/  adjective 1. very extensive or encompassing; of great scope: a large-scale business plan. 2. made to a large scale: a large-scale map.
6	gar·gan·tu·an /gɑrˈgæn tʃu ən/  adjective gigantic; enormous; colossal: a gargantuan task. Usage: Some people think that gargantuan  should only be used to describe things connected with food: a gargantuan meal ; his gargantuan appetite
7	pro·di·gious /prəˈdɪdʒ əs/  adjective 1. extraordinary in size, amount, extent, degree, force, etc.: a prodigious research grant. 2. wonderful or marvellous: a prodigious feat. 3. abnormal; monstrous. 4. Obsolete , ominous.
8	tow·er·ing /ˈtaʊ ər ɪŋ/  adjective 1. very high or tall; lofty: a towering oak. 2. surpassing others; very great: a towering figure in American poetry. 3. rising to an extreme degree of violence or intensity: a towering rage. 4. beyond the proper or usual limits; inordinate; excessive: towering pride; towering ambitions.
9	ca·pa·cious /kəˈpeɪ ʃəs/  adjective capable of holding much; spacious or roomy: a capacious storage bin.
10	as·tro·nom·i·cal /ˌæs trəˈnɒm ɪ kəl/  adjective 1. of, pertaining to, or connected with astronomy. 2. extremely large; exceedingly great; enormous: It takes an astronomical amount of money to build a car factory.
11	im·mense /ɪˈmɛns/  adjective 1. vast; huge; very great: an immense territory. 2. immeasurable; boundless. 3. Informal. splendid: You did an immense job getting the project started.
12	mam·moth /ˈmæm əθ/  noun 1. any large, elephantlike mammal of the extinct genus Mammuthus,  from the Pleistocene Epoch, having hairy skin and ridged molar teeth. 2. immensely large; huge; enormous: a mammoth organization.
13	ep·ic/ˈɛp ɪk/  adjective Also, ep·i·cal. 1. noting or pertaining to a long poetic composition, usually centered upon a hero, in which a series of great achievements or events is narrated in elevated style: Homer's Iliad is an epic poem. 2. resembling or suggesting such poetry: an epic novel on the founding of the country. 3. heroic; majestic; impressively great: the epic events of the war. 4. of unusually great size or extent: a crime wave of epic proportions. noun 5. an epic poem. 6. epic poetry. 7. any composition resembling an epic. 8. something worthy to form the subject of an epic: The defence of the Alamo is an American epic. 9. ( initial capital letter  ) . Also called Old Ionic. the Greek dialect represented in the Iliad  and the Odyssey,  apparently Aeolic modified by Ionic.
14	com·pre·hen·sive /ˌkɒm prɪˈhɛn sɪv/  adjective 1. of large scope; covering or involving much; inclusive: a comprehensive study of world affairs. 2. comprehending mentally; having an extensive mental range or grasp. 3. Insurance. covering or providing broad protection against loss. noun 4. Often, comprehensives. Also called comprehensive examination. an examination of extensive coverage given to measure a student's general progress, proficiency in his or her major field of study, or the like.
15	vo·lu·mi·nous /vəˈlu mə nəs / adjective 1. forming, filling, or writing a large volume or many volumes: a voluminous edition. 2. sufficient to fill a volume or volumes: a voluminous correspondence. 3. of great volume, size, or extent: voluminous flow of lava. 4. of ample size, extent, or fullness: voluminous petticoats. 5. having many coils, convolutions, or windings.