Wanton

/ˈwɒntən/ adjective medium

Deliberately careless or unrestrained, especially in causing harm without any real justification.

The report condemned the wanton destruction of the ancient forest to build a parking lot.

Memory Trick

Wanton originally meant 'undisciplined,' built from an old prefix for 'lacking' plus a word for 'trained' -- picture someone who was simply never taught any restraint, so they act with no regard for consequences.