The Collaborative International Dictionary
Firmless
Firmless \Firm"less\, a.
-
Detached from substance. [Obs.]
Does passion still the firmless mind control?
--Pope. Infirm; unstable. ``Firmless sands.''
--Sylvester.
Wiktionary
firmless
a. 1 (context obsolete English) Detached from substance. 2 (context obsolete English) infirm; unstable.