MISSPEND
misspend
(verb) spend (money or other resources) unwisely
misspend
(verb) spend time badly or unwisely; “He misspent his youth”
Source: WordNet® 3.1
Etymology
Verb
misspend (third-person singular simple present misspends, present participle misspending, simple past and past participle misspent)
To spend poorly, incorrectly or unwisely.
Source: Wiktionary
Mis*spend", v. t. [imp. & p. p. Misspent; p. pr. & vb. n.
Misspending.]
Definition: To spend amiss or for wrong purposes; to aquander; to waste;
as, to misspend time or money. J. Philips.
Source: Webster’s Unabridged Dictionary 1913 Edition