An alcove is defined by its limits and small scale. An expanse or wide-open area lacks these boundaries.
In a landscape context, an alcove is a sheltered nook in a cliff or forest; a plain is a vast, flat, and unsheltered surface. Comparative Architectural Terms alcove antonym
A part that sticks out from a surface, like a ledge or a jutting beam. An alcove is defined by its limits and small scale
A geometric term. An alcove is a concave shape (curving in); a convexity is a shape that curves outward. Comparative Architectural Terms A part that sticks out
If you are looking at the alcove as a secluded or small space, the following words serve as functional antonyms:
The word refers to a small, recessed section of a room or a secluded opening in a wall. In architecture and linguistics, finding a direct antonym depends on whether you are looking at the physical shape, the spatial volume, or the psychological feeling of the space. Direct Architectural Antonyms