noun
fear of blank days; fear of having nothing scheduled
Colloquial term, often used by freelancers or self-employed people who worry about gaps in their work calendar or social plans.
フリーランスになってから、空白恐怖症で予定が空くと不安になる。
Since becoming a freelancer, I get anxious when my schedule is empty because of my fear of blank days.
週末に何も予定がないと、空白恐怖症で落ち着かない。
When I have no plans for the weekend, I feel restless because of my fear of having nothing scheduled.