To cease to be visible or to go out of sight.

To become less or to fade away.

कम होना या धुंधलाना

English Usage: The sound of the music gradually began to disappear.

Hindi Usage: संगीत की आवाज़ धीरे-धीरे धुंधलाने लगी।

The act or occurrence of disappearing.

गायब होना

English Usage: The sudden disappear of the plane left everyone in shock.

Hindi Usage: विमान का अचानक गायब होना सभी को चकित कर गया।