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Webster 1913 Edition

(stȧnch′lĕs)

Adj.

Incapable of being stanched, or stopped.

Unquenchable; insatiable.

[Obs.]

Shak.

Adj.

That cannot be stanched or stopped.

stanchless ‎(comparative more stanchless, superlative most stanchless)

Incapable of being stanched or stopped.
(obsolete) unquenchable; insatiable
(Can we find and add a quotation of Shakespeare to this entry?)