Mens Rea

noun phrase (Latin legal term)

/menz ˈriː.ə/

Latin for 'guilty mind'; the mental element or criminal intent required alongside a physical act (actus reus) to constitute a criminal offence; in ethics, it represents the broader principle that genuine wrongdoing requires moral culpability — that an agent intended, knew, or was reckless about the harmful consequences of their action

✍️ Usage in a UPSC answer

The distinction between mens rea and actus reus is ethically significant for civil servants: a policy that causes harm unintentionally due to poor information is morally different from one designed with deliberate intent to harm a community.

Synonyms

criminal intentguilty mindculpable intentmalicious intentwrongful purpose

Antonyms

actus reus alone (without intent)innocent intentbona fide mistakeabsence of malice

🌱 Word Family

mens rea (n phrase), actus reus (paired Latin term — guilty act), culpability (n — ethical equivalent), intent (n)

🔡 Root

Latin mens = mind/intention + Latin rea = guilty (feminine form of reus = defendant/guilty party)

📜 Etymology

A foundational principle of common law jurisprudence; the maxim actus non facit reum nisi mens sit rea (an act does not make a person guilty unless the mind be also guilty) traces to Roman law and English common law from the 13th century; features in UPSC ethics as an example of the inseparability of intention and action in moral assessment

🧠 Memory Hook

MENS = MIND; REA = guilty; MENS REA = GUILTY MIND — the mind that MEANS to do wrong, not just the hand that carries it out

🧭 Ethics & Integrity 📖 Seen in: Ethics, Integrity & Aptitude — Complet...

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