Used in debates or discussions to emphasize the shift of focus entirely onto a specific point. After a brief chat about their weekends, they fastened on the pressing budget discrepancies.
Pro Tip 2/3
Mental Attachment
Implies a mental effort to cling to a thought or concept, as if with a mental hook or clasp. She fastened on the idea that she might have made a mistake in the report.
Pro Tip 3/3
Intense Focus
Conveys a sense of urgency or importance in directing attention to something. During the crisis, the team fastened on finding a swift resolution.