Fasten on

Pro Tip 1/3

Discussion Context

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.