unprecedently

adv

Etymology: From un- + precedent + -ly.

1. In a manner or to a degree that has no precedent.

   “Despite the fact that these women were starved and badly clad and deprived of the comforts of home, the death rate of the infants dropped steadily to an unprecedently low mark.”

   “Chingchou Prefecture, comprising several counties in Hupei Province, suffered a disastrous three years, and its tribulations were not unique. Massive floods rolled over one county in 1830, drowning hundreds of thousands and befouling the rice fields with sand. The dikes restraining the Yangtze River collapsed in a neighbouring county in 1831 and half the population starved to death. In 1832, the prefectural capital suffered a severe famine while, elsewhere in Chingchou, cholera struck down tens of thousands and the normal autumnal floods were unprecedently severe.”