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out to lunch
01
completely unaware of what is happening in one's surroundings
What is the origin of the idiom "out to lunch" and when to use it?
The origin of the idiom "out to lunch" is rooted in the concept of taking a break from work to have a meal. However, it has evolved to figuratively mean being absent-minded, disconnected, or not fully engaged in a situation. It is used to describe individuals who appear inattentive, unaware, or out of touch with reality. This idiom is typically employed when someone is being perceived as lacking focus, coherence, or understanding in a given context, often in a light-hearted or humorous manner.
Example
She missed the deadline because she was completely out to lunch, unaware of the approaching due date.
The manager made a critical error because he was out to lunch and not paying attention to the details.
During the important meeting, he seemed completely out to lunch, not contributing anything meaningful to the discussion.
Her mind was wandering during the lecture, and she appeared completely out to lunch.
She was going out to lunch with a man!
