1. lacking a caption or captions; without explanatory text or title

Examples

• The captionless photograph left viewers confused about the historical context.
• Social media posts with captionless images often receive fewer likes and comments.
• The museum displayed several captionless artworks, forcing visitors to rely on their own interpretation.
• A captionless diagram in the textbook made the lesson harder to understand.
• The video was captionless, making it inaccessible to deaf viewers.