3 adjectives to describe expands

Thus a diminution in width towards the east (as at Manchester) may be expected to add to the apparent length, but here the south aisles of both nave and chancel expand instead of contracting.

Let it pass from hand to hand, Circling still with ceaseless flight, Till the streaks of gray expand O'er the fleeting robe of night.

I. Where the wings of a sunny Dome expand I saw a Banner in gladsome air Starry, like Berenice's Hair Afloat in broadened bravery there; With undulating long-drawn flow, As rolled Brazilian billows go Voluminously o'er the Line.

3 adjectives to describe  expands