invaluable

That experience may prove invaluable as Scotland seek out that first ever win.

They should remember the invaluable lesson of treating conflict as an opportunity to get attention, rather than something to run away from due to the fear of alienating jumpy donors.

Men from neighbouring villages rushed over to help, which was invaluable – but not enough.

It covered a place every afternoon at Little Rascals nursery in Merthyr for Grace's daughter, which she describes as "invaluable".

"He is playing like three or four different players on the pitch at the same time, and that makes him so invaluable," said Raphael Honigstein on the BBC Football Daily Euro Leagues podcast.