| CHESSBOXINGS | • CHESSBOXING n. a hybrid sport which combines the sport of boxing with games of chess in alternating rounds. |
| EXACERBATING | • exacerbating v. Present participle of exacerbate. • exacerbating adj. That exacerbates. • EXACERBATE v. to make more violent, bitter, or severe. |
| EXOBIOLOGIES | • exobiologies n. Plural of exobiology. • EXOBIOLOGY n. the study of extraterrestrial life. |
| EXOBIOLOGIST | • exobiologist n. A biologist whose speciality is exobiology. • EXOBIOLOGIST n. a student of exobiology. |
| EXORBITATING | • exorbitating v. Present participle of exorbitate. • EXORBITATE v. (obsolete) to stray. |
| EXPROBRATING | • exprobrating v. Present participle of exprobrate. • EXPROBRATE v. (archaic) to upbraid. |
| INEXPUGNABLE | • inexpugnable adj. Impossible to eliminate or destroy; impregnable. • INEXPUGNABLE adj. not able to be attacked or captured. |
| INEXPUGNABLY | • inexpugnably adv. In an inexpugnable manner. • INEXPUGNABLE adv. not able to be attacked or captured. |
| INEXPUNGIBLE | • inexpungible adj. That cannot be expunged. • INEXPUNGIBLE adj. incapable of being obliterated. |
| LETTERBOXING | • letterboxing v. Present participle of letterbox. • letterboxing n. A hobby in which participants attempt to locate small boxes containing rubber stamps by following clues. • LETTERBOXING n. showing a film on television in its original wide screen format. |
| REEXHIBITING | • reexhibiting v. Present participle of reexhibit. • REEXHIBIT v. to exhibit again. |
| SHADOWBOXING | • shadowboxing n. A form of solo exercise, involving throwing punches at the air, and not at an opponent. • shadowboxing v. Present participle of shadowbox. • shadow-boxing v. Present participle of shadow-box. |