Definify.com

Webster 1913 Edition

Adj.

Detached from substance.

[Obs.]

Does passion still the

firmless

mind control?

Pope.

Infirm; unstable.

“Firmless sands.”

Sylvester.

Adj.

ferm'less. Detached from substance.

Does passion still the firmless mind control.

firmless ‎(comparative more firmless, superlative most firmless)

(obsolete) Detached from substance.
Does passion still the firmless mind control? — Pope.
(obsolete) Infirm; unstable.
Firmless sands. — Sylvester.