Lost

The new software update has left me feeling lost.

I wandered through the unfamiliar streets, feeling completely lost.

The lost opportunity to study abroad left her feeling disappointed.

The lost chance to attend the concert made her feel upset.

The ship got caught in a storm and lost communication with the mainland.

I lost my train of thought during the presentation and couldn't remember what I was saying.

The archaeologists uncovered an ancient civilization that was lost to history.

The singer's voice was drowned out by the loud music, and his performance was lost on the audience.