| ABSOLUTIONS | • absolutions n. Plural of absolution. • ABSOLUTION n. remission of sins, declared officially by a priest. |
| BRONTOSAURS | • brontosaurs n. Plural of brontosaur. • BRONTOSAUR n. any of a genus of large sauropod dinosaurs of the Jurassic, also BRONTOSAURUS. |
| KNOCKABOUTS | • knockabouts n. Plural of knockabout. • KNOCKABOUT n. a boisterous performance with horseplay. |
| LOBULATIONS | • lobulations n. Plural of lobulation. • LOBULATION n. the state of being lobulate. |
| OBDURATIONS | • obdurations n. Plural of obduration. • OBDURATION n. a hardening of the heart. |
| OBFUSCATION | • obfuscation n. (Uncountable) The act or process of obfuscating, or obscuring the perception of something; the concept… • obfuscation n. (Uncountable) Confusion, bewilderment, or a baffled state resulting from something obfuscated, or made… • obfuscation n. (Countable) A single instance of intentionally obscuring the meaning of something to make it more difficult to grasp. |
| OBJURATIONS | • objurations n. Plural of objuration. • OBJURATION n. the act of binding by oath; a solemn charge. |
| OBSCURATION | • obscuration n. The state of being obscured. • obscuration n. A unit of measurement used in particular for smoke detectors which respond to absorption of light by… • OBSCURATION n. the act of obscuring. |
| OBTURATIONS | • obturations n. Plural of obturation. • OBTURATION n. an obstruction. |
| OUTBOASTING | • outboasting v. Present participle of outboast. • OUTBOAST v. to surpass in boasting. |
| OVERABOUNDS | • overabounds v. Third-person singular simple present indicative form of overabound. • OVERABOUND v. to be exceedingly plenty. |
| ROUNDABOUTS | • roundabouts n. Plural of roundabout. • ROUNDABOUT v. to go round and round. |
| SOUNDBOARDS | • soundboards n. Plural of soundboard. • SOUNDBOARD n. a thin resonant board (as the belly of a violin) so placed in an instrument as to reinforce its tones by sympathetic vibration. |
| SUBORNATION | • subornation n. The act of suborning. • subornation n. The procuring of someone to do a criminal act, especially to commit perjury. • SUBORNATION n. the act of suborning. |
| SUBROGATION | • subrogation n. (Law) Substitution of a different person in place of a creditor or claimant with respect to certain rights and duties. • SUBROGATION n. the act of subrogating, also SURROGATION. |
| UMBONATIONS | • umbonations n. Plural of umbonation. • UMBONATION n. the state of being umbonate, having a central boss. |
| UNLABORIOUS | • unlaborious adj. Not laborious. • UNLABORIOUS adj. not laborious. |