1. having no rules or regulations; without governing principles

Examples

• The playground became a ruleless chaos after the teacher left.
• They preferred a ruleless environment where creativity could flourish.
• The online forum was essentially ruleless, leading to frequent conflicts.
• In the ruleless wilderness, survival depended on instinct alone.
• The artist worked in a ruleless style, breaking all conventional boundaries.
• The game became more fun when played in a ruleless manner.