| UNINSURABLE | • uninsurable adj. Not insurable; unable to be insured. • uninsurable n. A person or thing that cannot be insured. • UNINSURABLE adj. not capable of being insured. |
| UNIMPUGNABLE | • unimpugnable adj. That cannot be impugned; beyond reproach or attack. • UNIMPUGNABLE adj. not impugnable. |
| UNPUNISHABLE | • unpunishable adj. Not punishable; unable to be punished. • UNPUNISHABLE adj. not able to be punished. |
| INFUNDIBULATE | • infundibulate adj. Shaped like a funnel; infundibulated or infundibular. • INFUNDIBULATE adj. funnel-shaped, also INFUNDIBULAR. |
| SUBLIEUTENANT | • sublieutenant n. Alternative form of sub-lieutenant. • sub-lieutenant n. (Military, navy) A commissioned officer of the navy whose rank is immediately below that of a lieutenant. • SUBLIEUTENANT n. a commissioned officer in the British navy ranking immediately below lieutenant. |
| UNSUSTAINABLE | • unsustainable adj. Not sustainable. • UNSUSTAINABLE adj. not sustainable. |
| INSURMOUNTABLE | • insurmountable adj. Incapable of being passed over, surmounted, or overcome; insuperable. • INSURMOUNTABLE adj. incapable of being surmounted. |
| SUBINFEUDATING | • subinfeudating v. Present participle of subinfeudate. • SUBINFEUDATE v. to grant to another land held by another feudal lord, also SUBFEU, SUBINFEUD. |
| SUBINFEUDATION | • subinfeudation n. (UK, law, obsolete) The practice by which tenants, holding land under the king or other superior lord… • SUBINFEUDATION n. the sublease of a portion of a feudal estate by a vassal to a tenant who pays fealty to the vassal. |
| SUBLIEUTENANCY | • sublieutenancy n. The rank or position of sublieutenant. • SUBLIEUTENANCY n. the office of sublieutenant. |
| SUBLIEUTENANTS | • sublieutenants n. Plural of sublieutenant. • sub-lieutenants n. Plural of sub-lieutenant. • SUBLIEUTENANT n. a commissioned officer in the British navy ranking immediately below lieutenant. |
| SUPERABOUNDING | • superabounding v. Present participle of superabound. • superabounding n. Superabundance. • SUPERABOUND v. to be superabundant. |
| UNCOMMUNICABLE | • uncommunicable adj. Impossible to communicate. • UNCOMMUNICABLE adj. incommunicable. |
| UNQUANTIFIABLE | • unquantifiable adj. Incapable of being quantified or precisely defined mathematically. • unquantifiable n. Something that cannot be quantified. • UNQUANTIFIABLE adj. not quantifiable. |
| UNQUESTIONABLE | • unquestionable adj. Undeniable, obvious. • UNQUESTIONABLE adj. not open to question. |
| UNQUESTIONABLY | • unquestionably adv. Without question; beyond doubt; indubitably. • unquestionably adv. (Informal) OK, right-on. • UNQUESTIONABLE adv. not open to question. |
| UNSUITABLENESS | • unsuitableness n. The state or quality of being unsuited or inappropriate. • UNSUITABLENESS n. a lack of suitableness. |
| UNVANQUISHABLE | • unvanquishable adj. That cannot be vanquished; undefeatable, inconquerable. • UNVANQUISHABLE adj. not vanquishable. |
| SUBINFEUDATIONS | • subinfeudations n. Plural of subinfeudation. • SUBINFEUDATION n. the sublease of a portion of a feudal estate by a vassal to a tenant who pays fealty to the vassal. |
| UNSUBSTANTIATED | • unsubstantiated adj. Lacking substantiation; without evidence. • unsubstantiated v. Simple past tense and past participle of unsubstantiate. • UNSUBSTANTIATED adj. not substantiated. |