| HUMOURLESSLY | • humourlessly adv. Alternative spelling of humorlessly. • HUMOURLESS adv. without humour, also HUMORLESS. |
| LUMINOUSNESS | • luminousness n. The quality of being luminous. • LUMINOUSNESS n. the state of being luminous. |
| MEGALOSAURUS | • Megalosaurus prop.n. A taxonomic genus within the family Megalosauridae – a theropod dinosaur from the Jurassic of England. • MEGALOSAURUS n. a large dinosaur, also MEGALOSAUR, MEGALOSAURIAN. |
| MONTICULUSES | • MONTICULUS n. a little hill, also MONTICLE. |
| MOURNFULNESS | • mournfulness n. The property of being mournful. • MOURNFULNESS n. the state of being mournful. |
| MULTICOURSES | • multicourses n. Multiple courses (in various senses). |
| MULTISOURCES | Sorry, definition not available. |
| MUSCULATIONS | • musculations n. Plural of musculation. • MUSCULATION n. muscular action; musculature. |
| POSTHUMOUSLY | • posthumously adv. After death. • post-humously adv. Alternative spelling of posthumously. • POSTHUMOUS adv. taking place after death. |
| POSTSTIMULUS | • poststimulus adj. Following a stimulus. • POSTSTIMULUS adj. following on a stimulus. |
| SEMILUSTROUS | • semilustrous adj. Partly or somewhat lustrous. • SEMILUSTROUS adj. slightly lustrous. |
| SIMULTANEOUS | • simultaneous adj. Happening at the same moment. • simultaneous adj. (Mathematics, of a set of equations) To be solved for the same values of variables. • SIMULTANEOUS adj. existing or occurring at the same time. |
| SLUMBEROUSLY | • slumberously adv. In a slumberous manner. • SLUMBEROUS adv. inviting or causing slumber, also SLUMBERY, SLUMBROUS, SLUMBRY. |
| SLUMGULLIONS | • slumgullions n. Plural of slumgullion. • SLUMGULLION n. (Irish) a watery meat stew. |
| SOMNILOQUOUS | • somniloquous adj. Talking while asleep. • SOMNILOQUOUS adj. talking in one's sleep. |
| SUBMOLECULES | • submolecules n. Plural of submolecule. • SUBMOLECULE n. a part of a molecule. |
| TUMULOSITIES | • tumulosities n. Plural of tumulosity. • TUMULOSITY n. the state of being tumulose, full of small hills or mounds. |