unquenchablyadv.
/(ˌ)ʌnˈkwɛn(t)ʃəbli/, /(ˌ)ʌŋˈkwɛn(t)ʃəbli/, U.S. /ˌənˈkwɛn(t)ʃəbli/ In an unquenchable manner.
ΘΚΠ
the world > existence and causation > creation > destruction > [adverb] > indestructibly
unquenchably1576
inextinguishably1821
indestructibly1834
the world > matter > properties of materials > temperature > heat > burning > fire or flame > [adverb] > unquenchably
quenchlessly1594
unquenchablya1711
1576 H. Kerton tr. Pope Innocent III Mirror Mans Lyfe i. i. sig. B.ij Hee shall become chaffe to the fyre which alwayes doeth burne vnquenchably [L. Fiet cibus ignis, qui semper ardet, & vrit inextinguibilis].
1608 E. Topsell Hist. Serpents 229 This poyson of Scorpions..is white, and in the heate of the day is very feruent and plentifull, so as at that time they are insatiably and vnquenchably thirsty.
1652 J. Gaule Πυς-μαντια 288 He..hath brought..his bookes to be burnt (by which himselfe might have burned unquenchably).
a1711 T. Ken Hymnarium 104 in Wks. (1721) II. In pure Love Jesus on the Cross expir'd, That Sinners might unquenchably be fir'd.
1796 M. Sibly Lord's Thirst on Cross 10 For this he thirsts so unquenchably.
1805 W. Scott Lay of Last Minstrel ii. xvii. 46 That lamp shall burn unquenchably, Until the eternal doom shall be.
1856 E. B. Browning Aurora Leigh iii. 92 All true poets laugh unquenchably Like Shakspeare and the gods.
1930 Times Lit. Suppl. 9 Oct. 801/2 Hard work and anxiety were her portion, but she was unquenchably cheerful, talkative and sociable.
2004 Narrative 12 258 Swann and Marcel..become unquenchably thirsty for knowledge about the lives of women about whom they were utterly indifferent.
This entry has been updated (OED Third Edition, December 2014; most recently modified version published online December 2021).
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adv.1576