| BACKCROSSING | • backcrossing n. (Genetics) The crossing of a hybrid with one of its parents or an individual genetically similar to its parent. • backcrossing v. Present participle of backcross. • BACKCROSS v. to create a cross between a hybrid and a parent. |
| BACKSCATTERINGS | • backscatterings n. Plural of backscattering. • BACKSCATTERING n. the act of backscattering. |
| BACKSCRATCHINGS | • BACKSCRATCHING n. the act of scratching another's back. |
| BACKSTARTINGS | • BACKSTARTING n. a marketing technique in publishing, whereby new customers are sent back issues of magazines or journals as part of their subscription. |
| BACKSTRAIGHTS | • backstraights n. Plural of backstraight. • back␣straights n. Plural of back straight. |
| BLACKGUARDISMS | • blackguardisms n. Plural of blackguardism. • BLACKGUARDISM n. being a blackguard. |
| CYBERSTALKINGS | • CYBERSTALKING n. the practice of using electronic communications to harass someone persistently. |
| GEARSTICKS | • gearsticks n. Plural of gearstick. • gear␣sticks n. Plural of gear stick. • GEARSTICK n. a lever used to operate gears. |
| GREENBACKISMS | • GREENBACKISM n. the advocation of a paper currency backed only by the United States government. |
| GRIPSACKS | • gripsacks n. Plural of gripsack. • GRIPSACK n. a traveller's handbag. |
| RANSACKINGS | • ransackings n. Plural of ransacking. • RANSACKING n. the act of searching thoroughly. |
| SAFECRACKINGS | • safecrackings n. Plural of safecracking. • SAFECRACKING n. the act of breaking open a safe. |
| SCRAPBOOKINGS | • SCRAPBOOKING n. the practice of keeping cuttings. |
| SCREAKINGS | • screakings n. Plural of screaking. • SCREAKING n. a creaking, as of a door or wheel. |
| SCRIMSHANKING | • scrimshanking v. Present participle of scrimshank. • SCRIMSHANK v. to evade work or duty, also SKRIMSHANK. |
| SINGLETRACKS | • singletracks n. Plural of singletrack. • single␣tracks n. Plural of single track. • SINGLETRACK n. an off-road trail used by cyclists, wide enough for only one bicycle at a time. |
| SKYSCRAPING | • skyscraping adj. Extremely tall; as tall as a skyscraper. |
| STARFUCKINGS | • STARFUCKING n. (vulgar) having sexual relations with celebrities. |
| STRAIGHTJACKETS | • STRAIGHTJACKET n. a straitjacket. |