sly, cunning, crafty, wily, tricky, foxy, artful, slick mean attaining or seeking to attain one's ends by guileful or devious means. sly implies furtiveness, lack of candor, and skill in concealing one's …

4 meanings: 1. crafty; artful 2. insidious; furtive 3. playfully mischievous; roguish 4. → See on the sly.... Click for more definitions.

Anyone who makes a sly or fast buck, who seeks to cheat or to deceive must pay the full penalty of the law, and quickly.

Definition of sly adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Define sly. sly synonyms, sly pronunciation, sly translation, English dictionary definition of sly. adj. sli·er , sli·est also sly·er or sly·est 1. Clever or cunning, especially in the practice of deceit. 2. …

sly (slī), adj., sly•er or sli•er, sly•est or sli•est, n. adj. cunning or wily: sly as a fox. stealthy, insidious, or secret. playfully artful, mischievous, or roguish: sly humor. n. on the sly, secretly; …

• I began to dislike her; she looked sly and I felt indignant that she'd spoken to me like that. • He wanted to forget that she was sly and spiteful and malicious.

When you're sly, you're crafty, cunning, tricky, and wily. Being sly is being deceitful, though not in the worst way.

The adjective sly means Cunning, crafty, or deceitful in a subtle or sneaky manner.

Some common synonyms of sly are artful, crafty, cunning, foxy, slick, tricky, and wily. While all these words mean "attaining or seeking to attain one's ends by guileful or devious means," sly …