Definition: (of buildings and rooms) having ample space
Usage: a roomy but sparsely furnished apartment; a spacious ballroom
Similar words: commodious, convenient
Definition: large and roomy (`convenient' is archaic in this sense)
Usage: a commodious harbor; a commodious building suitable for conventions
Synonyms: broad, spacious, wide
Definition: very large in expanse or scope
Usage: a broad lawn; the wide plains; a spacious view; spacious skies
Definition: above average in size or number or quantity or magnitude or extent
Usage: a large city; set out for the big city; a large sum; a big (or large) barn; a large family; big businesses; a big expenditure; a large number of newspapers; a big group of scientists; large areas of the world