| BULBOPHYLLUMS | Sorry, definition not available. |
| RUMBLEDETHUMP | • RUMBLEDETHUMP n. a Scottish dish of butter and mashed potatoes, sometimes mixed with cabbage or turnips, also RUMBLEDETHUMPS. |
| SUBOPERCULUMS | • SUBOPERCULUM n. in fishes, a bone below and partly behind the gill cover. |
| SUBPOPULATION | • subpopulation n. A subdivision of a population. • SUBPOPULATION n. an identifiable fraction or subdivision of a population. |
| SUPERANNUABLE | • superannuable adj. Relating to a superannuation, or retirement benefit fund. • SUPERANNUABLE adj. that can be superannuated. |
| SUPERSUBTLETY | • supersubtlety n. Extreme subtlety. • SUPERSUBTLETY n. the state of being supersubtle. |
| UNPERSUADABLE | • unpersuadable adj. Not persuadable; who cannot be persuaded or convinced. • unpersuadable adj. Of which one cannot be persuaded. • UNPERSUADABLE adj. not persuadable. |
| UNPLEASURABLE | • unpleasurable adj. That gives displeasure. • UNPLEASURABLE adj. not pleasurable. |
| UNPLEASURABLY | • unpleasurably adv. In an unpleasurable manner. • UNPLEASURABLE adv. not pleasurable. |
| UNPUBLISHABLE | • unpublishable adj. Not suitable for publication. • UNPUBLISHABLE adj. that cannot be published. |
| UNPURCHASABLE | • unpurchasable adj. That cannot be purchased. • UNPURCHASABLE adj. that cannot be purchased, also UNPURCHASEABLE. |
| UNPUTDOWNABLE | • unputdownable adj. Of a person, etc.: difficult or impossible to put down (in various senses). • unputdownable adj. (Specifically) Of a book or other written work: so captivating or engrossing that one cannot bear to stop reading it. • un-put-downable adj. Alternative form of unputdownable. |
| UNSUPPORTABLE | • unsupportable adj. Not able to be supported or endured. • UNSUPPORTABLE adj. not supportable. |
| UNSURPASSABLE | • unsurpassable adj. Not surpassable; unable to be surpassed. • UNSURPASSABLE adj. that cannot be surpassed. |
| UNSURPASSABLY | • unsurpassably adv. In a way that cannot be surpassed; unbeatably. • UNSURPASSABLE adv. that cannot be surpassed. |
| UNSUSCEPTIBLE | • unsusceptible adj. Not susceptible. • UNSUSCEPTIBLE adj. not susceptible. |