sharky

Example:He was cunning in his methods, catching his opponents off guard.

Definition:Having or showing shrewdness in attaining one's ends.

Example:The fierce competition between the teams was evident in their sharky behavior on the field.

Definition:Showing or full of ferocity, great intensity, or activity.

Example:Some individuals operate in a predatory manner, always looking for ways to deceive others.

Definition:Designed or destined to gain something at the expense of others; characterized by exploitation.