- The definition of immoral is not following accepted principles of right and wrong behavior.
An example of immoral behavior is murder.
- not in conformity with accepted principles of right and wrong behavior
- not in conformity with the accepted standards of proper sexual behavior; unchaste; lewd
Origin of immoral; from in- + moral
Contrary to established moral principles.
(comparative more immoral, superlative most immoral)
- Said of people, deeds, groups, traditions, or practices.