| BRONTOSAURUSES | • brontosauruses n. Plural of brontosaur. • BRONTOSAURUS n. any of a genus of large sauropod dinosaurs of the Jurassic, also BRONTOSAUR. |
| COUNTERSUBJECT | • countersubject n. (Music) The secondary melody in contrapuntal music. • COUNTERSUBJECT n. a second theme by the first voice (esp. in a fugue) when accompanying the second voice performing the main subject. |
| DOUBTFULNESSES | • doubtfulnesses n. Plural of doubtfulness. • DOUBTFULNESS n. the state of being doubtful. |
| INSURMOUNTABLE | • insurmountable adj. Incapable of being passed over, surmounted, or overcome; insuperable. • INSURMOUNTABLE adj. incapable of being surmounted. |
| ROBUSTIOUSNESS | • robustiousness n. Quality of being robustious. • ROBUSTIOUSNESS n. the state of being robustious, robust. |
| ROUNDABOUTNESS | • roundaboutness n. The quality of being roundabout or circuitous. • ROUNDABOUTNESS n. the state of being roundabout. |
| SUBCOMMUNITIES | • subcommunities n. Plural of subcommunity. • SUBCOMMUNITY n. a distinct grouping within a community. |
| SUBCUTANEOUSLY | • subcutaneously adv. Under the cutaneous layer of the skin. • SUBCUTANEOUS adv. beneath the skin. |
| 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. |
| SUBINFEUDATORY | • subinfeudatory adj. Of or relating to subinfeudation. • subinfeudatory n. One who holds land by subinfeudation. • SUBINFEUDATORY adj. relating to subinfeudation, the sublease of a portion of a feudal estate by a vassal to a tenant who pays fealty to the vassal. |
| SUBSPONTANEOUS | • subspontaneous adj. (Of plants) Partly cultivated by human labor and partly growing wild. • SUBSPONTANEOUS adj. less than spontaneous. |
| TUBERCULATIONS | • tuberculations n. Plural of tuberculation. • TUBERCULATION n. the formation of tubercles. |
| UBIQUITOUSNESS | • ubiquitousness n. The state or property of being ubiquitous. • ubiquitousness n. The state of being everywhere at any given time. • UBIQUITOUS n. being everywhere at once, also UBIQUITARY. |
| 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. |
| UNSURMOUNTABLE | • unsurmountable adj. (Archaic, rare) insurmountable. • UNSURMOUNTABLE adj. not surmountable. |