This is the 5932nd most frequent Swedish word.
insane
The Swedish word "insane" means "crazy" or "mad" in English.
Here 'vansinnigt' is used as an adjective to describe the action of climbing the cliff without safety gear as unreasonable or excessively risky.
Det är vansinnigt att klättra på en så hög klippa utan säkerhetsutrustning.
It is insane to climb such a high cliff without safety equipment.
In this case, 'galen', which translates to 'insane', refers to an emotional or mental reaction, conveying that she lost composure or control momentarily.
Hon blev galen när hon såg vad som hade hänt.
She went insane when she saw what had happened.
Here 'galen' is used informally to describe something as extraordinary or far from ordinary in terms of unpredictability and excitement.