What are the antonyms for SPIRAL?

Synonyms for SPIRAL

Usage Examples for SPIRAL

  1. When the area of the crystal platform appeared to be about half a square mile, he decided that he would now have sufficient space to spiral up the violet ray toward the planet. - "The Pygmy Planet" by John Stewart Williamson
  2. He waited, leaning against the shady side of the shed with his feet crossed; but the Thunder Bird did not circle back and prepare to descend the invisible spiral it had climbed so ardently. - "The Thunder Bird" by B. M. Bower