looming

1. come into view indistinctly, often threateninglyExamples: "Another air plane loomed into the sky"Synonyms: loom

2. appear very large or occupy a commanding positionExamples: "The huge sculpture predominates over the fountain"; "Large shadows loomed on the canyon wall"Synonyms: hulk, loom, predominate, tower

3. hang over, as of something threatening, dark, or menacingExamples: "The terrible vision brooded over her all day long"Synonyms: brood, bulk large, hover, loom

4. weave on a loomExamples: "materials loomed in Egypt"Synonyms: loom