Dissolute is an adjective that describes a person who indulges in vices such as drinking, gambling, and promiscuity without restraint. Antonyms for the word dissolute include virtuous, chaste, modest, and pure. A virtuous person is someone who behaves according to moral principles, while a dissolute person has no such principles. Being chaste means abstaining from physical pleasures, while dissolute means giving in to them without inhibition. Modest is another word that stands as an antonym for dissolute as it refers to the act of being restrained and conservative. By contrast, pure implies a level of refinement, innocence and free from adulteration or pollution.