Not conforming to accepted standards of morality or decency; wicked or sinful; unethical or unscrupulous.


US English

UK English

Part of Speech



unethical, unprincipled, wicked, sinful, wrong


moral, ethical, upright, virtuous, just

Word Forms

Part of Speech Words
Noun immoralities, immorality
Verb None
Adjective immoral
Adverb immorally

Example Sentences

  • The politician’s immoral actions, involving bribery and corruption, shook the trust of the public.

  • Engaging in unethical experiments on human subjects is widely considered immoral within the scientific community.

  • The company’s decision to dump toxic waste into the river was not only illegal but also morally immoral.

  • The teacher’s inappropriate relationship with a student was a clear violation of professional and moral boundaries.


The word “immoral” originated from the Latin word “immoralis,” which means “contrary to moral principles.” It is formed by combining the prefix “im-,” meaning “not,” and the root “moral,” which refers to principles of right and wrong conduct.

The usage of “immoral” describes actions, behaviors, or beliefs that go against accepted moral standards or principles. It implies a violation of ethical or moral norms. The term is often used to criticize actions that are considered unethical, dishonest, or harmful.

As an adjective, “immoral” emphasizes the absence of morality or virtue. It can be applied to various contexts, including personal behavior, social issues, or professional conduct. It is often used to describe actions that are considered to be against the principles of right and wrong and that cause harm to others. In the context of a person, “immoral” is used to describe someone who lacks moral principles or is considered to be wicked or sinful. The word is often used in a negative context, as in the examples above, to indicate disapproval or condemnation. It serves as a reminder of the importance of ethical considerations and the need to adhere to principles that promote the well-being of individuals and society.

Variations of the word “immoral” include “immorally” as an adverb form and “immorality” as a noun form.

Understanding the history and usage of “immoral” encourages individuals to reflect on their actions and choices, and to strive for behavior that aligns with moral principles. It fosters discussions about ethical dilemmas and the implications of our decisions on ourselves and others. Promoting moral values contributes to a more just and compassionate society.