| ARDUOUSNESS | • arduousness n. The state of being arduous. • ARDUOUSNESS n. the state of being arduous. |
| BLUNDERBUSS | • blunderbuss n. An old style of muzzleloading firearm and early form of shotgun with a distinctive short, large caliber… • blunderbuss v. (Transitive) To shoot with a blunderbuss. • BLUNDERBUSS n. an old-fashioned gun. |
| HUMDRUMNESS | • humdrumness n. The quality of being humdrum; mundanity. • HUMDRUMNESS n. the state of being humdrum. |
| INDUSTRIOUS | • industrious adj. Hard-working and persistent. • INDUSTRIOUS adj. habitually active or occupied. |
| NURSEHOUNDS | • nursehounds n. Plural of nursehound. • NURSEHOUND n. a kind of shark. |
| ROUNDHOUSES | • roundhouses n. Plural of roundhouse. • ROUNDHOUSE n. a constable's prison; a lockup, watch-house, or station house. |
| SUBINDUSTRY | • subindustry n. An industry that makes up part of a larger industry. • SUBINDUSTRY n. a subordinate industry. |
| SUPERSOUNDS | • supersounds n. Plural of supersound. • SUPERSOUND n. sound vibrations too rapid to be audible. |
| ULTRASOUNDS | • ultrasounds n. Plural of ultrasound. • ULTRASOUND n. vibrations of the same physical nature as sound but with frequencies above the range of human hearing. |
| UNDERBUSHES | • underbushes n. Plural of underbush. • underbushes v. Third-person singular simple present indicative form of underbush. • UNDERBUSH v. to clear of underbrush. |
| UNDERSCRUBS | • UNDERSCRUB n. bushes etc. |
| UNDERSHRUBS | • undershrubs n. Plural of undershrub. • UNDERSHRUB n. a shrub smaller than the usual shrub. |
| UNPRESSURED | • unpressured adj. Not pressured; relaxed. • UNPRESSURED adj. not pressured. |
| UNSURPASSED | • unsurpassed adj. Not exceeded by others. • UNSURPASSED adj. not surpassed. |
| UNSURPRISED | • unsurprised adj. Not surprised. • UNSURPRISED adj. not surprised. |