Definition
Within one's intellect, memory, or mind.
Within one's imagination; without basis in reality.
Mentally.
Anxious due to overthinking an issue.
In Context
- ""I have actually gotten to revisit, in my head, all the museums I've ever gone to.""
- "The old-school way, with the chief scout having it all in his head, gave no continuity. If he gets run over by a bus he takes all the knowledge with him."
- ""Kids disappear into imaginary relationships all the time" . . . but "usually there's a limit to how far that imaginary relationship can go, because it's all in their head.""
- "When a neurologist ruled out medical causes like Lyme disease, Ms. Abaspour recalled, her husband said, “I think we should just give her a placebo — it’s all in her head.”"
- "The tape was the piece of evidence that assured Cohle that this grand conspiracy wasn't all in his head."
- "Captain Whalley, who seemed lost in a mental effort as of doing a sum in his head, gave a slight start."