billow
noun.
a large sea wave
Synonym: surge
verb.
rise up as if in waves
smoke billowed up into the sky
Synonym: wallow
verb.
move with great difficulty
The soldiers billowed across the muddy riverbed
verb.
rise and move, as in waves or billows
The army surged forward
Synonym: heave, surge
verb.
become inflated
The sails ballooned
Synonym: balloon, inflate