Plain-English Definition
The highest standard of proof, used in criminal cases. The prosecution must prove every element of the crime so completely that there is no reasonable doubt in a reasonable person's mind.
Legal Meaning
The highest standard of proof, required in criminal cases. The prosecution must prove every element of the offense to a level that excludes any reasonable doubt. This standard protects the presumption of innocence.
Etymology Review
Built from ordinary English legal language. “Reasonable” traces to Latin ratio, meaning reason or reckoning, and “doubt” traces to Latin dubitare, “to doubt or hesitate.”
Do Not Confuse With
- Preponderance of the Evidence
Misuse Warning
This standard applies only to criminal cases. Civil cases use lower standards. Confusing the two can lead to wrong expectations about what evidence is needed.
Boundary Note
Lexicon provides general legal and procedural information for educational purposes. It does not provide legal advice, legal representation, legal interpretation for a specific case, strategy, document preparation, or professional judgment. Meanings can vary by jurisdiction, facts, and procedural posture.