| BICOLOURED | • bicoloured adj. Of two colours. • BICOLOURED adj. having two colours, also BICOLORED. |
| BIOFOULERS | • biofoulers n. Plural of biofouler. • BIOFOULER n. an animal that obstructs or corrupts the environment. |
| BOISTEROUS | • boisterous adj. Full of energy; exuberant; noisy. • boisterous adj. Characterized by violence and agitation; wild; stormy. • boisterous adj. Having or resembling animal exuberance. |
| BOURBONISM | • Bourbonism n. (Historical) The principles of the supporters of the House of Bourbon; obstinate conservatism. • BOURBONISM n. the principles of those adhering to the house of Bourbon; obstinate conservatism. |
| BOURGEOISE | • bourgeoise n. A female member of the bourgeoisie; a wealthy woman. • BOURGEOISE n. (French) a female bourgeois. |
| BUPROPIONS | • BUPROPION n. an antidepressant drug used in the treatment of nicotine addiction. |
| EUROPHOBIA | • Europhobia n. A dislike of Europe or its culture or inhabitants. • Europhobia n. Euroscepticism. • EUROPHOBIA n. an irrational fear of Europe and things European. |
| EUROPHOBIC | • Europhobic adj. Disliking Europe or the European Union. • EUROPHOBIC adj. suffering from europhobia, an irrational fear of Europe and things European. |
| MORBILLOUS | • morbillous adj. Resembling or relating to measles. • MORBILLOUS adj. pertaining to the measles. |
| OBDURATION | • obduration n. (Obsolete) A hardening of the heart; hardness of heart. • OBDURATION n. a hardening of the heart. |
| OBJURATION | • objuration n. (Rare) The act of objuring; a firm binding by oath. • OBJURATION n. the act of binding by oath; a solemn charge. |
| OBTRUSIONS | • obtrusions n. Plural of obtrusion. • OBTRUSION n. an unwanted thrusting in, forward or upon. |
| OBTURATION | • obturation n. The act of stopping up, or closing, an opening. • obturation n. (Firearms) The process of a bullet expanding under pressure to fit the bore of the firearm, or a cartridge… • OBTURATION n. an obstruction. |
| OPPROBRIUM | • opprobrium n. (Countable, archaic) A cause, object, or situation of disgrace or shame. • opprobrium n. (Uncountable). • OPPROBRIUM n. something that brings disgrace; infamy, contempt. |
| POLITBUROS | • politburos n. Plural of politburo. • POLITBURO n. (Russian) the policy-making committee in communist states. |
| POURBOIRES | • pourboires n. Plural of pourboire. • POURBOIRE n. (French) a tip, gratuity. |
| ROBUSTIOUS | • robustious adj. Boisterous. • ROBUSTIOUS adj. boisterous. |
| TAUROBOLIA | • taurobolia n. Plural of taurobolium. • TAUROBOLIUM n. the sacrifice of a bull, as in the ancient Phrygian cult of Cybele. |
| TOURBILLON | • tourbillon n. A rotating frame, containing the escapement of a clock or watch, that attempts to compensate for the… • tourbillon n. A whirlwind. • tourbillon n. A kind of firework that gyrates in the air. |
| UNBLOODIER | • UNBLOODY adj. not bloody. |