| DECIDUOUSNESS | • deciduousness n. The state or condition of being deciduous; the quality of trees which lose their leaves in winter or the dry season. • DECIDUOUSNESS n. the state of being deciduous.
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| DUMFOUNDERING | • dumfoundering v. Present participle of dumfounder. • DUMFOUNDER v. to strike dumb; to confuse with astonishment, also DUMBFOUND, DUMBFOUNDER, DUMFOUND.
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| PUDIBUNDITIES | • PUDIBUNDITY n. the state of being pudibund. | 
| SUBINFEUDATED | • subinfeudated v. Simple past tense and past participle of subinfeudate. • SUBINFEUDATE v. to grant to another land held by another feudal lord, also SUBFEU, SUBINFEUD.
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| SUBINTRODUCED | • SUBINTRODUCE v. to bring in surreptitiously or subtly. | 
| UNADJUDICATED | • unadjudicated adj. Not adjudicated. • UNADJUDICATED adj. not adjudicated.
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| UNDERBUILDERS | • underbuilders n. Plural of underbuilder. • UNDERBUILDER n. a subordinate or assistant builder.
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| UNDERBUILDING | • underbuilding n. A substructure; foundation; infrastructure. • UNDERBUILD v. to build under in support; to build too little.
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| UNDERFUNDINGS | • underfundings n. Plural of underfunding. • UNDERFUNDING n. a deficiency in funding.
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| UNDEROCCUPIED | • underoccupied adj. Not occupied enough, especially of a building with housing units. • UNDEROCCUPIED adj. insufficiently occupied.
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| UNDERSTUDYING | • understudying v. Present participle of understudy. • UNDERSTUDY v. to act another's part or take over another's duties.
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| UNDERSUPPLIED | • undersupplied v. Simple past tense and past participle of undersupply. • UNDERSUPPLY v. to supply too little.
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| UNDERUTILISED | • underutilised adj. (British spelling) Alternative form of underutilized. • underutilised v. Simple past tense and past participle of underutilise.
 • UNDERUTILISE v. to utilize less than fully, also UNDERUTILIZE.
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| UNDERUTILIZED | • underutilized adj. Insufficiently utilized. • underutilized v. Simple past tense and past participle of underutilize.
 • UNDERUTILIZE v. to utilize less than fully, also UNDERUTILISE.
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| UNDISCOURAGED | • undiscouraged adj. Not discouraged. • UNDISCOURAGED adj. not discouraged.
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| UNDISGUISEDLY | • undisguisedly adv. In an undisguised manner; openly. • UNDISGUISED adv. not disguised or concealed.
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| UNDISHONOURED | • undishonoured adj. Not dishonoured. • UNDISHONOURED adj. not dishonoured.
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| UNDISTRIBUTED | • undistributed adj. Not distributed. • undistributed adj. (Computing) Not employing the technique of distributed computing.
 • UNDISTRIBUTED adj. not distributed.
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| UNDISTURBEDLY | • undisturbedly adv. Calmly; tranquilly; without disturbance. • UNDISTURBED adv. not disturbed.
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