| INTERBEHAVIOR | • INTERBEHAVIOR n. the behaviour of interaction between organisms, also INTERBEHAVIOUR. |
| INTEROBSERVER | • interobserver adj. Between observers. • INTEROBSERVER adj. between observers. |
| INTROVERSIBLE | • INTROVERSIBLE adj. capable of being introverted. |
| NONREVERSIBLE | • nonreversible adj. Not reversible; irreversible. • NONREVERSIBLE adj. not reversible. |
| OVERBEARINGLY | • overbearingly adv. In an overbearing manner. • OVERBEARING adv. OVERBEAR, to bring down by superior force. |
| OVERBORROWING | • overborrowing v. Present participle of overborrow. • OVERBORROW v. to borrow to excess. |
| OVERBREATHING | • overbreathing v. Present participle of overbreathe. • overbreathing n. Hyperventilation. • overbreathing n. Excessive breathing. |
| OVERBURDENING | • overburdening v. Present participle of overburden. • OVERBURDEN v. to overload, also OVERBURTHEN. |
| OVERBURTHENED | • overburthened v. Simple past tense and past participle of overburthen. • OVERBURTHEN v. (archaic) to overburden, also OVERBURDEN. |
| OVEREXUBERANT | • overexuberant adj. Excessively exuberant. • OVEREXUBERANT adj. excessively exuberant. |
| OVERLABOURING | • overlabouring v. Present participle of overlabour. • OVERLABOUR v. (archaic) to labour excessively, also OVERLABOR. |
| REVERBERATION | • reverberation n. A violent oscillation or vibration. • reverberation n. An echo, or a series of overlapping echoes. • reverberation n. The reflection of light or heat; a reflection in, or as though in, a mirror. |
| SUBVERSIONARY | • subversionary adj. Promoting destruction. • SUBVERSIONARY n. a subversive person. |
| UNRECOVERABLE | • unrecoverable adj. Not recoverable; that cannot be recovered. • unrecoverable adj. From which recovery is not possible. • UNRECOVERABLE adj. that cannot be recovered. |
| UNRECOVERABLY | • unrecoverably adv. In an unrecoverable manner, or to an unrecoverable degree. • UNRECOVERABLE adv. that cannot be recovered. |
| VERBIGERATION | • verbigeration n. An obsessive repetition of meaningless words and phrases, especially as a symptom of mental illness. • VERBIGERATION n. the obsessive repetition of stereotyped phrases. |
| VERTEBRATIONS | • VERTEBRATION n. division into vertebrae. |