SLYLY

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

slyly (comparative more slyly, superlative most slyly)

In a sly manner, cunningly.

Anagrams

• lysyl

Source: Wiktionary

Sly"ly, adv.

Definition: In a sly manner; shrewdly; craftily. Honestly and slyly he it spent. Chaucer.

Source: Webster’s Unabridged Dictionary 1913 Edition