The phrase "up above" has various synonyms that can help you diversify your vocabulary. Some alternatives include "high up," "overhead," "aloft," "skyward," "elevated," "upward," or "up in the air." These words all paint a picture of something being located in a high position, whether it's the sky, a rooftop, or the upper levels of a building. If you want to add more poetic or descriptive words, you can try "soaring," "towering," "ascending," "floating," "drifting," or "hovering." These synonyms can be useful in writing, especially when you want to avoid repetitive language or add creative flair to your descriptions.