Examples from literature

• After hours of half-waking, half-sleeping, formless confusion, she dreamed again. 
• All sorts of possibilities presented themselves to me—vague, indefinite, formless terrors. 
• Presently she became sensible that the sleigh had stopped beside a formless mound of white and the man was shaking her. 
• The cottonwoods and willows, on the opposite shore, were mere dreams of trees,—gray, formless, and weird. 
• The last glow showed a formless pulp, spreading upon the water.