|Origin:||dissipare, from supare 'to throw'|
1 [intransitive and transitive]
to gradually become less or weaker before disappearing completely, or to make something do this:
As he thought it over, his anger gradually dissipated.
Little by little, the smoke was dissipated by the breeze.
to waste something valuable such as time, money, or energy:
His savings were soon dissipated.