sly
Comparative
slier
Superlative
sliest
1
clever in deceiving or tricking others
- With a sly smile, he managed to slip away from the group without anyone noticing.
- He gave a sly wink to indicate that he was aware of the secret plan.
- The cat approached the prey with a sly and calculated movement.
- Using a sly disguise, the spy infiltrated the enemy camp unnoticed.