Slyly

• POS: Adverb
• HYPHEN: sly=ly

CIDE DICTIONARY

Slyly, adv. 

 In a sly manner; shrewdly; craftily.  [1913 Webster]
"Honestly and slyly he it spent."  [1913 Webster]

ROGET THESAURUS

Slyly

Cunning

N cunning, craft, cunningness, craftiness, subtlety, artificiality, maneuvering, temporization, circumvention, chicane, chicanery, sharp practice, knavery, jugglery, concealment, guile, doubling, duplicity, foul play, diplomacy, politics, Machiavelism, jobbery, backstairs influence, art, artifice, device, machination, plot, maneuver, stratagem, dodge, sidestep, artful dodge, wile, trick, trickery, ruse, ruse de guerre, finesse, side blow, thin end of the wedge, shift, go by, subterfuge, evasion, white lie, juggle, tour de force, tricks of the trade, tricks upon travelers, espieglerie, net, trap, Ulysses, Machiavel, sly boots, fox, reynard, Scotchman, Jew, Yankee, intriguer, intrigant, floater, Indian giver, keener, repeater, cunning, crafty, artful, skillful, subtle, feline, vulpine, cunning as a fox, cunning as a serpent, deep, deep laid, profound, designing, contriving, intriguing, strategic, diplomatic, politic, Machiavelian, timeserving, artificial, tricky, tricksy, wily, sly, slim, insidious, stealthy, underhand, subdolous, deceitful, slippery as an eel, evasive, crooked, arch, pawky, shrewd, acute, sharp, sharp as a tack, sharp as a needle, canny, astute, leery, knowing, up to snuff, too clever by half, not to be caught with chaff, tactful, diplomatic, politic, polite, cunningly, slyly, slily, on the sly, by a side wind, diamond cut diamond, a' bis ou a blanc, fin contre fin, something is rotten in the state of Denmark.