sneaky

[ snee-kee ]

/ ˈsni ki /

like or suggestive of a sneak; furtive; deceitful.

Origin of sneaky

First recorded in 1825–35; sneak + -y¹

sneak·i·ly, adverb sneak·i·ness, noun un·sneak·y, adjective

"Hello Kitty" as a double entendre is actually surprisingly modest and sneaky.

Avril Lavigne’s Dumb ‘Hello Kitty’ Video Is Rife with Cultural Appropriation |Amy Zimmerman |April 25, 2014 |DAILY BEAST
The California computer hack that threatened women, including Miss Teen USA, will get jail time for his sneaky sexploits.

College Student is Sentenced for ‘Sextortion’ |Lizzie Crocker |March 18, 2014 |DAILY BEAST
Channeling his best Madoff—with a dash of Paulson and Falcone—Richard Gere plays a sneaky financier in ‘Arbitrage.’

In ‘Arbitrage,’ Richard Gere Shows How the Price Is Right |Daniel Gross |September 13, 2012 |DAILY BEAST
Apple used to count Google as an ally, but now views Google as a sneaky betrayer.

Apple’s Move to Spite Google and Use Its Own Map Software Hurts Customers |Dan Lyons |June 21, 2012 |DAILY BEAST

Sneaky Santorum Reporters and pundits everywhere hailed the exit poll of Ohio when it arrived at 7:30 p.m.

Super Tuesday Surprises: Catholics for Romney, Women for Santorum, and More |Ben Jacobs |March 7, 2012 |DAILY BEAST
Sneaky rose from his position near Mother Wolf, and trotted in front of the rock.

Washer the Raccoon |George Ethelbert Walsh
“Sneaky, you run down to the brook and get some water,” she commanded.

Washer the Raccoon |George Ethelbert Walsh
If he hurt one of them Sneaky or Mother Wolf would pounce upon him and kill him in a flash.

Washer the Raccoon |George Ethelbert Walsh
It seemed to him a sneaky thing for Cathy to do, to go searching the attic while he was out of the house.

Jerry's Charge Account |Hazel Hutchins Wilson
Just then the wolves broke through the bushes and came racing toward the tree, with Sneaky in the lead.

Washer the Raccoon |George Ethelbert Walsh