Big

large great huge massive considerable substantial extensive spacious roomy ample bulky sizable enormous immense gigantic vast tremendous colossal commodious voluminous whopping stuffed packed crowded full brimming chock-full heavy ponderous heavy-duty hefty husky hulking strapping burly fat jumbo mammoth humongous monster oversize prodigious walloping heavyweight super colossal thundering awash a whale of a mondo bull

significant major serious valuable substantial considerable influential leading prominent powerful meaningful principal main material weighty momentous consequential paramount eminent heavyweight heavy-duty big-time big league popular super super colossal

adult mature grown-up full-grown tall elder

free unselfish considerate liberal bighearted generous benevolent gracious magnanimous noble altruistic greathearted chivalrous princely heroic lofty