term:

Dissipate

dissipate vt

-pat·ed
-pat·ing
: to use (marital assets) for one's own benefit and to the exclusion of one's spouse for a purpose unrelated to the marriage at a time when the marriage is undergoing an irretrievable breakdown
dis·si·pa·tion [di-sə-pā-shən]
n

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.