Some examples of word usage: well nigh
1. The journey was well nigh impossible, but we managed to reach our destination.
La travesía era casi imposible, pero logramos llegar a nuestro destino.
2. The castle was well nigh deserted, with only a few servants left to tend to it.
El castillo estaba casi desierto, con solo unos pocos sirvientes quedándose para cuidarlo.
3. The storm was well nigh upon us, so we quickly sought shelter.
La tormenta estaba casi sobre nosotros, así que buscamos refugio rápidamente.
4. The mystery was well nigh unsolvable, but the detective eventually cracked the case.
El misterio era casi insoluble, pero el detective finalmente resolvió el caso.
5. The mountain was well nigh insurmountable, but the climbers were determined to reach the summit.
La montaña era casi infranqueable, pero los escaladores estaban decididos a alcanzar la cima.
6. The news was well nigh unbelievable, but we had to accept the truth.
La noticia era casi increíble, pero tuvimos que aceptar la verdad.