- The definition of dissolute is immoral and involved in improper conduct.
An example of someone dissolute is a person who commits adultery.
Origin of dissoluteClassical Latin dissolutus, loosened, lax, unrestrained; past participle of dissolvere: see dissolve
Origin of dissoluteMiddle English, from Latin dissolūtus, past participle of dissolvere, to dissolve; see dissolve.
(comparative more dissolute, superlative most dissolute)
From Middle English dissolute, from Latin dissolutus.