slyness

Definition of Slyness in English :

shrewdness as demonstrated by being skilled in deception

WordNet Lexical Database for English. Princeton University. 2010.

Slyness

adjectiveWord forms: slyer, slyest, slier or sliest

1.

crafty; artful

a sly dodge

2.

insidious; furtive

a sly manner

3.

playfully mischievous; roguish

sly humour

noun

4. on the sly

adjectiveWord forms: ˈslier or ˈslyer, ˈsliest or ˈslyest

1. Dialectal

skillful or clever

2.

skillful at trickery or deceit; crafty; wily

3.

showing a secretive, crafty, or wily nature; cunningly underhanded

4.

mischievous in a playful way; roguish

adj. sli·er (slīər), sli·est (slīĕst) also sly·er or sly·est

1. Clever or cunning, especially in the practice of deceit.

2. Stealthy or surreptitious: took a sly look at the letter on the table.

3. Playfully mischievous: a sly laugh.