UIFSA: The American uniform child and spousal support legislation, the Uniform Interstate Family Support Act already adopted and implemented by most states. See the complete Legal Definition of UIFSA

Ultra Vires: Latin: without authority. See the complete Legal Definition of Ultra Vires

Unjust Enrichment: Benefiting from the action or property of another without legal justification. See the complete Legal Definition of Unjust Enrichment

URESA: Uniform Reciprocal Enforcement of Support Act of the United States, as created in 1950 by the National Conference of Commissioners on Uniform State Laws. See the complete Legal Definition of URESA

Usufruct: The rights to the product of another's property. See the complete Legal Definition of Usufruct

Usury: Excessive or illegal interest rate. See the complete Legal Definition of Usury

Unfavourable Witness: When a witness called by a party merely gives unfavorable answers to questions posed during examination in chief, that party may not cross examine the witness but may still lead evidence in contradiction. See the complete Legal Definition of Unfavourable Witness

Unlawful Assembly: Three or more persons together holding the intent to commit a crime or to otherwise disturb the peace. See the complete Legal Definition of Unlawful Assembly

Undue Hardship: Special or specified circumstances that partially or fully exempt a person from performance of a legal obligation so as to avoid an unreasonable or disproportionate burden or obstacle. See the complete Legal Definition of Undue Hardship

Undue Influence: The unconscientious use by one person of his/her power over another in order to induce the other to compromise a property right. See the complete Legal Definition of Undue Influence

Unfair Dismissal: A dismissal of an employee in the absence of a substantial reason. See the complete Legal Definition of Unfair Dismissal

Use: Latin: trust. See the complete Legal Definition of Use

Uberrimae Fidei: Latin: of the utmost good faith. See the complete Legal Definition of Uberrimae Fidei

Under Protest: A qualification made to a legal action taken by a person that the action is contrary to the intent or desire of the person making the protest. See the complete Legal Definition of Under Protest

UNCITRAL: Acronym of the United Nations Commission on International Trade Law; also known in law as the abbreviation in reference to arbitration rules and laws published by that agency. See the complete Legal Definition of UNCITRAL

Umpire: Another word for an arbitrator or an arbitrator appointed to resolve an arbitration when the original arbitrators cannot agree. See the complete Legal Definition of Umpire

Ubi Jus Ibi Remedium: Latin: For every wrong, the law provides a remedy. See the complete Legal Definition of Ubi Jus Ibi Remedium

Unconscionable: A bargain or contract which is clearly unfair, exorbitant, harsh, contrary to common sense or good conscience. See the complete Legal Definition of Unconscionable

Union: A defined group of employees formed for the purposes of representing those employees with the employer as to the terms of a collective contract of employment. See the complete Legal Definition of Union

Ultra Petita: Latin: beyond that which is sought. See the complete Legal Definition of Ultra Petita

United States Code: Codified collection of federal legislation in the United States. See the complete Legal Definition of United States Code

Uterine: Siblings issue of a common mother. See the complete Legal Definition of Uterine