| ANKYLOSAURS | • ankylosaurs n. Plural of ankylosaur. • ANKYLOSAUR n. a kind of dinosaur with a club tail, also ANKYLOSAURUS. |
| BACKHAULING | • backhauling v. Present participle of backhaul. • BACKHAUL v. to return after delivering a cargo. |
| KAMELAUKION | • kamelaukion n. A stiff cylindrical head-covering worn for religious reasons in Orthodox Christian and Eastern Catholic traditions. • KAMELAUKION n. (Modern Greek) a tall cylindrical hat worn by Orthodox priests. |
| PENTAQUARKS | • pentaquarks n. Plural of pentaquark. • PENTAQUARK n. a hypothetical subatomic particle consisting of a group of five quarks (as compared to the usual three quarks). |
| SUBTACKSMAN | • SUBTACKSMAN n. a holder (of land) by subtack. |
| UNAWAKENING | • unawakening adj. Not awakening; dormant, asleep. • UNAWAKENING adj. not awakening. |
| UNBREAKABLE | • unbreakable adj. Difficult or impossible to break and therefore able to withstand rough usage. • unbreakable adj. (Figurative) Resilient. • unbreakable adj. (Of a horse) Not able to be broken in. |
| UNEARMARKED | • unearmarked adj. Not earmarked. • UNEARMARKED adj. not earmarked. |
| UNSHAKEABLE | • unshakeable adj. Alternative form of unshakable. • UNSHAKEABLE adj. that cannot be shaken, also UNSHAKABLE. |
| UNSHAKEABLY | • unshakeably adv. Alternative spelling of unshakably. • UNSHAKEABLE adv. that cannot be shaken, also UNSHAKABLE. |
| UNSPEAKABLE | • unspeakable adj. Incapable of being spoken or uttered. • unspeakable adj. Impossible to speak about. • unspeakable adj. Unfit or not permitted to be spoken or described. |
| UNSPEAKABLY | • unspeakably adv. In an unspeakable manner. • UNSPEAKABLE adv. that cannot be spoken. |