plural dissipations
formal
1
: the process of slowly disappearing or becoming less
Insulation helps prevent the dissipation of heat from houses in the winter.
2
: the act of using all or a lot of money, time, etc., in a foolish way
a movie about the dissipation of a famous heir's fortune
the dissipation of resources
3
disapproving
: behavior that shows you are interested only in pleasure, money, etc.
He lived a life of dissipation.
her gambling and dissipations
Cite this Entry
“Dissipation.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/dissipation. Accessed 22 Jun. 2026.
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