a million miles away
1. Noticeably distracted, unfocused, or lost in thought. Of course you don't remember me saying that—you were a million miles away the whole time! Are you even listening to me? You seem a million miles away. A: "Is Miranda OK? She's seemed a million miles away all day." B: "Oh, her father's in the hospital."
2. Extremely dissimilar (to something). Typically used in negative constructions. Your answer isn't quite right, though it isn't a million miles away. This laptop isn't a million miles away from the top-end computers, and it's much more affordable. This house isn't a million miles away from what we're looking for, but it sure would need a lot of cosmetic changes.
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