| UPHEAVAL | • upheaval n. Disruptive change, from one state to another. • upheaval n. The process of being heaved upward, especially the raising of part of the earth’s crust. • upheaval n. A sudden violent upset, disruption or convulsion. |
| UPHEAVALS | • upheavals n. Plural of upheaval. • UPHEAVAL n. the act of upheaving. |
| AVOUCHABLE | • avouchable adj. Capable of being avouched. • AVOUCHABLE adj. (archaic) capable of being avouched. |
| ULTRAHEAVY | • ultraheavy adj. (Physics, chemistry) Describing any atom that has a very large atomic weight; especially those that… • ultraheavy adj. Extremely or exceedingly heavy; of utmost heaviness. • ULTRAHEAVY adj. very very heavy. |
| BEHAVIOURAL | • behavioural adj. (British spelling) Of or pertaining to behaviour. • BEHAVIOURAL adj. relating to behaviour, also BEHAVIORAL. |
| HANTAVIRUSES | • hantaviruses n. Plural of hantavirus. • HANTAVIRUS n. an often fatal virus with flu-like symptoms. |
| KATHAREVOUSA | • Katharevousa prop.n. A learned, archaising form of Modern Greek, based on Classical Greek and used for formal and official… • KATHAREVOUSA n. a formal archaizing written form of Modern Greek, based on Ancient Greek. |
| ULTRAHEAVIER | • ULTRAHEAVY adj. very very heavy. |
| UNACHIEVABLE | • unachievable adj. That cannot be achieved (or only with great difficulty). • UNACHIEVABLE adj. that cannot be achieved. |
| VANQUISHABLE | • vanquishable adj. That can be vanquished; defeatable, conquerable. • VANQUISHABLE adj. able to be vanquished. |
| AUTHORITATIVE | • authoritative adj. Arising or originating from a figure of authority. • authoritative adj. Highly accurate or definitive; treated or worthy of treatment as a scholarly authority. • authoritative adj. Having a commanding style. |
| BEHAVIOURALLY | • behaviourally adv. With respect to behaviour. • BEHAVIOURAL adv. relating to behaviour, also BEHAVIORAL. |
| HALLUCINATIVE | • hallucinative adj. Relating to hallucination; hallucinatory. • HALLUCINATIVE adj. tending to produce hallucination, also HALLUCINATORY. |
| KATHAREVOUSAS | • KATHAREVOUSA n. a formal archaizing written form of Modern Greek, based on Ancient Greek. |
| ULTRAHEAVIEST | • ULTRAHEAVY adj. very very heavy. |
| EXTRAVEHICULAR | • extravehicular adj. Relating to, on happening in, the space outside a vehicle, especially a spacecraft in space. • extra-vehicular adj. Alternative spelling of extravehicular. • EXTRAVEHICULAR adj. taking place outside a vehicle (as a spacecraft). |
| NONBEHAVIOURAL | • nonbehavioural adj. Alternative spelling of nonbehavioral. • NONBEHAVIOURAL adj. not behavioural, also NONBEHAVIORAL. |
| UNVANQUISHABLE | • unvanquishable adj. That cannot be vanquished; undefeatable, inconquerable. • UNVANQUISHABLE adj. not vanquishable. |
| AUTHORITATIVELY | • authoritatively adv. In an authoritative manner, being worthy of trust. • AUTHORITATIVE adv. having or proceeding from authority. |
| UNAUTHORITATIVE | • unauthoritative adj. Not authoritative. • UNAUTHORITATIVE adj. not authoritative. |