| DUNIEWASSALS | • DUNIEWASSAL n. (Gaelic) a Highland gentleman of inferior rank, also DUNIWASSAL, DUNNIEWASSAL. | 
| DUNNIEWASSAL | • dunniewassal n. Alternative form of duniwassal. • DUNNIEWASSAL n. (Gaelic) a Highland gentleman of inferior rank, also DUNIEWASSAL, DUNIWASSAL.
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| INDUSTRYWIDE | • industrywide adj. Extending throughout a particular industry. • industrywide adv. Extending throughout a particular industry.
 • INDUSTRYWIDE adj. throughout industry.
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| MULTIWINDOWS | • multiwindows adj. (Graphical user interface) multiwindow; involving multiple windows. • MULTIWINDOW n. a multiwindow television set or monitor.
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| UNDERVIEWERS | • underviewers n. Plural of underviewer. • UNDERVIEWER n. a mine manager's assistant, also UNDERLOOKER.
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| UNDERWEIGHTS | • underweights v. Third-person singular simple present indicative form of underweight. • UNDERWEIGHT n. weight below normal, average, or requisite weight.
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| UNDERWIRINGS | • UNDERWIRING n. support with wire underneath. | 
| UNDERWRITERS | • underwriters n. Plural of underwriter. • UNDERWRITER n. one that underwrites.
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| UNWIELDINESS | • unwieldiness n. The characteristic of being unwieldy. • UNWIELDINESS n. the state of being unwieldy.
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| UNWORLDLIEST | • unworldliest adj. Superlative form of unworldly: most unworldly. • UNWORLDLY adj. not belonging to this world.
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| UNWORSHIPPED | • unworshipped adj. Not worshipped. • UNWORSHIPPED adj. not worshipped.
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| WHODUNITRIES | • WHODUNITRY n. the genre of whodunit writing, also WHODUNNITRY. | 
| WINDSURFINGS | • WINDSURFING n. the sport of surfing on a sailboard. | 
| WITHOUTDOORS | • withoutdoors adv. (Archaic) outdoors. • WITHOUTDOORS adv. outdoors.
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| WOODCUTTINGS | • woodcuttings n. Plural of woodcutting. • WOODCUTTING n. the action or occupation of cutting wood or timber.
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