| CREPUSCULOUS | • crepusculous adj. Alternative form of crepuscular. • CREPUSCULOUS adj. relating to twilight, also CREPUSCULAR. |
| GROUPUSCULES | • groupuscules n. Plural of groupuscule. • GROUPUSCULE n. a small clique or faction. |
| PATULOUSNESS | • patulousness n. The quality of being patulous. • PATULOUSNESS n. the state of being patulous. |
| POPULOUSNESS | • populousness n. The quality of being populous. • POPULOUSNESS n. the state of being populous. |
| PRESUMPTUOUS | • presumptuous adj. Going beyond what is right, proper, or appropriate because of an excess of self-confidence or arrogance. • PRESUMPTUOUS adj. overstepping due bounds (as of propriety or courtesy). |
| PRONUCLEUSES | • PRONUCLEUS n. the nucleus of a germ-cell after meiosis and before fertilization. |
| PSEUDOLOGUES | • pseudologues n. Plural of pseudologue. • PSEUDOLOGUE n. a pathological liar. |
| PSEUDONYMOUS | • pseudonymous adj. Of or pertaining to a pseudonym. • pseudonymous adj. (Of a name) Fictitious. • pseudonymous adj. That uses a pseudonym. |
| SPURIOUSNESS | • spuriousness n. The property of being spurious. • SPURIOUSNESS n. the state of being spurious. |
| STIPULACEOUS | • stipulaceous adj. (Botany) stipular; of or relating to stipules. • STIPULACEOUS adj. having stipules. |
| STUPENDOUSLY | • stupendously adv. In a stupendous manner. • STUPENDOUS adv. causing astonishment or wonder, also STUPENDIOUS. |
| SUPERABOUNDS | • superabounds v. Third-person singular simple present indicative form of superabound. • SUPERABOUND v. to be superabundant. |
| SUPERCILIOUS | • supercilious adj. Arrogantly superior; showing contemptuous indifference; haughty. • SUPERCILIOUS adj. haughtily contemptuous. |
| SUPERFUSIONS | • superfusions n. Plural of superfusion. • SUPERFUSION n. the act of superfusing. |
| SUPERSURGEON | • supersurgeon n. An exceptionally talented or successful surgeon. • SUPERSURGEON n. an exceptional surgeon. |
| SUSPENSORIUM | • suspensorium n. (Anatomy) Anything that suspends or holds up a part, especially the mandibular suspensorium, a series… • SUSPENSORIUM n. that which holds up a part, esp. the arrangement joining the lower jaw to the cranium in vertebrates below mammals. |
| UNPROSPEROUS | • unprosperous adj. Not prosperous. • UNPROSPEROUS adj. not prosperous. |
| UNSUPPOSABLE | • unsupposable adj. Not supposable; beyond imagining. • UNSUPPOSABLE adj. not supposable. |