| ALUMROOTS | • alumroots n. Plural of alumroot. • ALUMROOT n. a North American flower of the saxifrage genus. |
| ATROCIOUS | • atrocious adj. Frightful, evil, cruel, or monstrous. • atrocious adj. Offensive or heinous. • atrocious adj. Very bad; abominable, disgusting. |
| AUTOCROSS | • autocross n. A form of motorsport that tests the skill and speed of a driver over a course marked out with traffic cones. • autocross v. (Intransitive) To take part in this sport. • AUTOCROSS n. motor racing round a rough grass track. |
| AUTOGIROS | • autogiros n. Plural of autogiro. • AUTOGIRO n. (Spanish) a rotating wing aircraft, also AUTOGYRO. |
| AUTOGYROS | • autogyros n. Plural of autogyro. • AUTOGYRO n. (Spanish) a rotating wing aircraft, also AUTOGIRO. |
| AUTOSPORE | • autospore n. An immobile spore that cannot develop flagella. • AUTOSPORE n. a nonmotile algal spore. |
| AUTOSPORT | • autosport n. Motorsport. • AUTOSPORT n. the sport of motor-racing. |
| COAUTHORS | • coauthors n. Plural of coauthor. • coauthors v. Third-person singular simple present indicative form of coauthor. • co-authors n. Plural of co-author. |
| COURANTOS | • courantos n. Plural of couranto. • COURANTO n. an old dance with a gliding step, also CORANTO, COURANT, COURANTE. |
| MACROTOUS | • macrotous adj. Large-eared. • MACROTOUS adj. having large ears. |
| OUTBOARDS | • outboards n. Plural of outboard. • OUTBOARD n. a type of motor designed to be attached to the outside of a boat etc. |
| OUTREASON | • outreason v. (Transitive) To surpass in reasoning; to reason better than. • OUTREASON v. to surpass in reasoning. |
| OUTSAVORS | • OUTSAVOR v. (US) to surpass in savor, also OUTSAVOUR. |
| OUTSAVOUR | • OUTSAVOUR v. to exceed in savouring, also OUTSAVOR. |
| OUTSOARED | • outsoared v. Simple past tense and past participle of outsoar. • OUTSOAR v. to soar beyond. |
| SQUAWROOT | • squawroot n. Either of two not closely related plants from eastern North America… • squaw␣root n. Alternative form of squawroot. • SQUAWROOT n. a scaly parasitic plant found in oak woods in the United States. |
| UPROOTALS | • uprootals n. Plural of uprootal. • UPROOTAL n. the act of uprooting. |