1. having no discernible pattern, design, or regular arrangement

Examples

• The artist created a patternless design using random brushstrokes.
• The data appeared patternless at first glance.
• She preferred patternless wallpaper to avoid visual repetition.
• The stars seemed scattered in a patternless arrangement across the sky.
• His patternless approach to studying made it hard to track progress.
• The fabric had a patternless texture that looked completely smooth.