Also found in: Thesaurus.


Difficult or impossible to extinguish: an inextinguishable flame; an inextinguishable faith.

in′ex·tin′guish·a·bly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in classic literature ?
On the expiration of the half-hour Noel Vanstone presented himself at North Shingles, with the ardor of a lover burning inextinguishably in his bosom, through the superincumbent mental fog of a thoroughly bewildered man.
Newsrooms in their heyday were bundles of contradiction: palaces of power and temples of tomfoolery, swaggering with certitude yet endearingly insecure, cynical but inextinguishably idealistic.
Admiring, they love; loving they admire, so that love might burn inextinguishably through admiration and admiration be sweetly fervent with love" (my translation).