| BUCKJUMPERS | • buckjumpers n. Plural of buckjumper. • BUCKJUMPER n. (Australian) an untamed horse. |
| EUPHORBIUMS | • EUPHORBIUM n. the resinous gum of certain succulent plants of the genus Euphorbia, formerly used as an emetic and purgative. |
| PSEUDOBULBS | • pseudobulbs n. Plural of pseudobulb. • PSEUDOBULB n. a swollen stem internode in some orchids. |
| PUNCTURABLE | • puncturable adj. That can be punctured. • PUNCTURABLE adj. that can be punctured. |
| SUBDEPUTIES | • SUBDEPUTY n. an assistant to a deputy. |
| SUBMULTIPLE | • submultiple n. (Sciences) A quantity that gives another quantity when multiplied by an integer. • SUBMULTIPLE n. a quantity that divides into another exactly. |
| SUBOPERCULA | • subopercula n. Plural of suboperculum. • SUBOPERCULUM n. in fishes, a bone below and partly behind the gill cover. |
| SUBSUMPTIVE | • subsumptive adj. Relating to, or containing, a subsumption. • SUBSUMPTIVE adj. tending to subsume. |
| SUPERABOUND | • superabound v. (Intransitive, stative) To abound very much; to be superabundant. • SUPERABOUND v. to be superabundant. |
| SUPERJUMBOS | • superjumbos n. Plural of superjumbo. • SUPERJUMBO n. a very large airliner. |
| SUPERSUBTLE | • supersubtle adj. Very tenuous or rarefied. • SUPERSUBTLE adj. overly subtle, also SUPERSUBTILE. |
| UNPERTURBED | • unperturbed adj. Not perturbed. • UNPERTURBED adj. not perturbed. |
| UNPLAUSIBLE | • unplausible adj. Implausible. • UNPLAUSIBLE adj. not plausible, also IMPLAUSIBLE. |
| UNPUBLISHED | • unpublished adj. Not published. • UNPUBLISHED adj. not published. |
| UPBUOYANCES | • UPBUOYANCE n. the act of buoying up. |
| USUCAPTIBLE | • usucaptible adj. Capable of being transferred by usucaption. • USUCAPTIBLE adj. relating to usucaption. |