billowing

/ˈbɪloʊɪŋ/
adjective
  1. Swelled out or moving in a large, wavy mass.
    • She wore a dress with billowing sleeves.
    • Billowing clouds covered the mountain peaks.
    • The billowing curtains let in the morning light.
verb
  1. Present participle of billow; swelling or moving in a large, wavy mass.
    • The flag is billowing in the breeze.
    • The smoke was billowing from the burning building.
    • The dust was billowing behind the speeding truck.
Synonyms
What does "billowing" mean? | whatsthatwordmean | whatsthatwordmean