Most intemerate is an adjective that describes someone who is morally upright and pure. It can be daunting to find a word that is the exact opposite of most intemerate. However, some antonyms for the word most intemerate could be corrupt, immoral, wicked, unprincipled, or impure. These words depict someone who is not virtuous, honest, or ethical. A person who is antithetical to most intemerate does not act with integrity, lacks moral standards, and often engages in corrupt activities. In short, antonyms for most intemerate describe individuals who are the exact opposite of morally upright and pure.