roomful

Etymology 1

room + -ful

noun

1. The amount that a room can hold, especially the number of people that can fit into a room.
   Bengston doing a roomful of painting is like Joe Willie Namath doing a gameful of curl patterns, Jason Robards doing an eveningful of O'Neill, Tina Turner doing a concertful of. . . . and so on. 1974, Artforum, volume 13, numbers 4-10, page 35
2. The people in a room, considered as a group.

Etymology 2

room + -ful

adj

1. Abounding with room or rooms; roomy.
   A roomful house. 1612, John Donne, Of the Progress of the Soul—The Second Anniversery