Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun spaciousness
1 sense of spaciousness
Sense 1
capaciousness, roominess, spaciousness, commodiousness -- (spatial largeness and extensiveness (especially inside a building); "the capaciousness of Santa's bag astounded the child"; "roominess in this size car is always a compromise"; "his new office lacked the spaciousness that he had become accustomed to")
=> largeness, bigness -- (the property of having a relatively great size)