FOXILY
craftily, cunningly, foxily, knavishly, slyly, trickily, artfully
(adverb) in an artful manner; “he craftily arranged to be there when the decision was announced”; “had ever circumstances conspired so cunningly?”
Source: WordNet® 3.1
Etymology
Adverb
foxily (comparative more foxily, superlative most foxily)
In a foxy manner.
Source: Wiktionary
FOXY
Fox"y, a.
1. Like or pertaining to the fox; foxlike in disposition or looks;
wily.
Modred's narrow, foxy face. Tennyson.
2. Having the color of a fox; of a yellowish or reddish brown color;
– applied sometimes to paintings when they have too much of this
color.
3. Having the odor of a fox; rank; strong smeelling.
4. Sour; unpleasant in taste; -- said of wine, beer, etc., not
properly fermented; -- also of grapes which have the coarse flavor of
the fox grape.
Source: Webster’s Unabridged Dictionary 1913 Edition