| BREAKTHROUGHS | • breakthroughs n. Plural of breakthrough. • BREAKTHROUGH n. an offensive thrust that penetrates and carries beyond a defensive line in warfare. |
| DRIVETHROUGHS | • drive-throughs n. Plural of drive-through. • DRIVETHROUGH n. a shop or restaurant designed so that customers can be served without leaving their cars. |
| INTERBOROUGHS | Sorry, definition not available. |
| ROUGHHOUSINGS | • ROUGHHOUSING n. brawling. |
| THIRDBOROUGHS | • thirdboroughs n. Plural of thirdborough. • THIRDBOROUGH n. (historical) an under-constable. |
| THOROUGHBRACE | • thoroughbrace n. (Dated) A leather strap supporting the body of a carriage, and attached to springs or serving as a spring itself. • THOROUGHBRACE n. any of several leather straps supporting the body of a carriage and serving as springs. |
| THOROUGHBREDS | • thoroughbreds n. Plural of thoroughbred. • Thoroughbreds n. Plural of Thoroughbred. • THOROUGHBRED n. a horse so bred. |
| THOROUGHFARES | • thoroughfares n. Plural of thoroughfare. • THOROUGHFARE n. a through road. |
| THOROUGHGOING | • thoroughgoing adj. With great attention to detail; complete, thorough. • thorough-going adj. Alternative form of thoroughgoing. • THOROUGHGOING adj. marked by thoroughness or zeal. |
| THOROUGHPACED | • thoroughpaced adj. (Of a horse) Trained in every pace. • thoroughpaced adj. Extensively trained or schooled; knowledgeable; proficient. • thoroughpaced adj. Complete, total. |
| THOROUGHWAXES | • THOROUGHWAX n. the plant hare's-ear, from the stem seeming to 'wax' (i.e. grow) through the leaves. |
| THOROUGHWORTS | • thoroughworts n. Plural of thoroughwort. • THOROUGHWORT n. a wild flower with perfoliate leaves. |