淡忘 (dàn wàng) is a verb meaning 'to gradually forget'—not an abrupt or intentional forgetting, but a slow fading of memory over time, often due to lack of reinforcement, emotional distance, or the passage of years. The first character 淡 (dàn) literally means 'light', 'faint', or 'weak', suggesting something losing intensity; the second character 忘 (wàng) means 'to forget'. Together, they convey the idea of memories becoming fainter and less vivid until they slip from conscious recall.

This word is commonly used in reflective, literary, or emotionally nuanced contexts—such as remembering childhood, past relationships, or historical events—and often carries a gentle, slightly melancholy tone. It implies natural psychological erosion rather than deliberate suppression or amnesia. While it can describe forgetting facts or people, it’s especially frequent when referring to emotions, experiences, or personal connections that lose their immediacy with time.