1. very large in expanse or scope (Freq. 2) - a broad lawn - the wide plains - a spacious view - spacious skies • Syn: broad, wide • Similar to: large, big • Derivationally related forms: wideness (for: wide), spaciousness, broadness (for: broad) 2.(of buildings and rooms) having ample space - a roomy but sparsely furnished apartment - a spacious ballroom • Syn: roomy • Similar to: commodious, convenient • Derivationally related forms: spaciousness, space, roominess (for: roomy), room (for: roomy)