completely gone.

I enjoy boxing but wouldn't miss it if it dropped off the face of the earth tomorrow.

Usage notes: most often used with the verbs drop, disappear, and wipe

• lose rag
• lose shirt
• lose sight of
• lose sight of something
• lose sleep
• lose sleep over
• lose sleep over someone
• lose sleep over something
• lose temper
• lose the plot
• lose the thread
• lose the thread of
• lose the thread of something
• lose time
• lose touch
• lose touch with
• lose touch with someone
• lose touch with something
• lose track
• lose track of
• lose track of someone
• lose track of something
• lose your cool
• lose your edge
• lose your grip