| ARRHENOTOKIES | • ARRHENOTOKY n. giving birth only to boys. |
| BREAKTHROUGHS | • breakthroughs n. Plural of breakthrough. • BREAKTHROUGH n. an offensive thrust that penetrates and carries beyond a defensive line in warfare. |
| BREASTSTROKER | • breaststroker n. (Swimming) A person swimming using the breaststroke. • BREASTSTROKER n. one who swims using breaststroke. |
| BREASTSTROKES | • breaststrokes n. Plural of breaststroke. • breaststrokes v. Third-person singular simple present indicative form of breaststroke. • BREASTSTROKE n. a swimming-stroke performed breast-down, with circling movements of the arms and a froglike movement of the legs. |
| BROKENHEARTED | • brokenhearted adj. Grieved and disappointed, especially with the loss of a beloved person or thing, such as the repudiation… • broken-hearted adj. Alternative spelling of brokenhearted Feeling depressed, despondent, or hopeless, especially over losing a love. • broken␣hearted adj. (Of a person) that has a broken heart. |
| HEARTBROKENLY | • heartbrokenly adv. In a heartbroken manner. • HEARTBROKEN adv. having a broken heart. |
| HETEROKARYONS | • heterokaryons n. Plural of heterokaryon. • HETEROKARYON n. a cell, as in the mycelium of a fungus, that contains two or more genetically unlike nuclei. |
| KATHAROMETERS | • katharometers n. Plural of katharometer. • KATHAROMETER n. an instrument measuring changes in composition of gases. |
| MASTERSTROKES | • masterstrokes n. Plural of masterstroke. • master␣strokes n. Plural of master stroke. • MASTERSTROKE n. a masterly performance or move. |
| REALPOLITIKER | • realpolitiker n. One who supports or engages in realpolitik. • REALPOLITIKER n. (German) one who practises realpolitik, politics based on practical, rather than moral or ideological, considerations. |
| SKATEBOARDERS | • skateboarders n. Plural of skateboarder. • SKATEBOARDER n. one who skateboards. |
| STONEBREAKERS | • stonebreakers n. Plural of stonebreaker. • STONEBREAKER n. a person that breaks up stone; a machine used to break up stone. |
| STRATOTANKERS | • STRATOTANKER n. a type of aeroplane which refuels other planes at high altitudes. |
| THANKWORTHIER | • THANKWORTHY adj. worthy of thanks. |
| TROUBLEMAKERS | • troublemakers n. Plural of troublemaker. • trouble-makers n. Plural of trouble-maker. • trouble␣makers n. Plural of trouble maker. |