Hypertext Webster Gateway: "unextinguishable"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Unextinguishable \Un`ex*tin"guish*a*ble\, a.
Inextinguishable. -- {Un`ex*tin"guish*a*bly}, adv.
Additional Hypertext Webster Gateway Lookup
Gateway by dict@stokkie.net
stock only wrote the gateway and does not have any control over the contents;
see the Webster Gateway FAQ,
and also the Back-end/database links and credits.