billow

noun

  1. 1

    a large sea wave

verb

  1. 1

    become inflated

    The sails ballooned

  2. 2

    rise and move, as in waves or billows

    The army surged forward

  3. 3

    rise up as if in waves

    smoke billowed up into the sky

  4. 4

    move with great difficulty

    The soldiers billowed across the muddy riverbed

Synonyms

Also useful for “billow”:Unscrambler