What is another word for is lost thought?
Pronunciation: [ɪz lˈɒst θˈɔːt] (IPA) 
The phrase "is lost thought" refers to the act of forgetting or no longer being able to remember something. Some synonyms for this phrase include "slipped my mind," "faded away," "escaped me," "vanished," "disappeared from memory," and "forgotten." When we say something "is lost thought," it could mean that we can't recall a specific memory, or that we've lost track of a particular idea or train of thought. Regardless of the specific context, "is lost thought" conveys the sense that something has been misplaced or forgotten, and is no longer readily accessible in the mind.
