spiteful

This term describes a specific brand of malice that is often petty, indirect, or driven by a personal grudge. It suggests a desire to cause emotional pain or inconvenience rather than large-scale destruction, often manifesting as snide remarks or calculated slights.

While similar to "cruel," it differs by implying a motive of resentment or vengeance. A spiteful act is typically a reaction to a perceived wrong, characterized by a lingering bitterness that motivates the person to act out of spite.