INSOLUBLY
Etymology
Adverb
insolubly (comparative more insolubly, superlative most insolubly)
In an insoluble manner; irresolubly, irresolvably.
Source: Wiktionary
INSOLUBLE
In*sol"u*ble, a. Etym: [L. insolubilis indissoluble, that can not be
loosed: cf. F. insoluble. See In- not, and Soluble, and cf.
Insolvable.]
1. Not soluble; in capable or difficult of being dissolved, as by a
liquid; as, chalk is insoluble in water.
2. Not to be solved or explained; insolvable; as, an insoluble doubt,
question, or difficulty.
3. Strong. "An insoluble wall." [Obs.] Holland
Source: Webster’s Unabridged Dictionary 1913 Edition