1. impossible to tame or control; wild and unruly
2. having an unrestrained or rebellious nature
Usage: often used figuratively

Examples

• The tameless stallion refused to let anyone ride him.
• Her tameless spirit could not be broken by years of hardship.
• The tameless wilderness stretched endlessly before the explorers.
• He had a tameless energy that drove him to constant adventure.
• The tameless ocean waves crashed against the rocky shore.
• Despite their efforts, the tameless beast remained wild and dangerous.