General Antonyms:
* Ridge: This is the most common antonym and refers to a long, narrow elevation of land, the opposite of a deep crack.
* Solid ground: This is a broad term that signifies the absence of a gap or weakness in the surface.
* Level surface: This emphasizes the absence of any significant elevation or depression, including crevasses.
More Specific Antonyms based on Context:
* Bridge: If "crevasse" refers to a gap in a glacier, a bridge might be a suitable antonym, meaning a natural or artificial passage over the gap.
* Seamless: If "crevasse" refers to a crack in something like a wall or a piece of pottery, "seamless" could be an antonym, suggesting a surface without any breaks or gaps.
Ultimately, the best antonym for "crevasse" depends on the specific context and the meaning you want to convey.