This is the 4913th most frequent French word.
saumâtres
Brackish; slightly salty.
The word 'saumâtres' is used as an adjective to describe water that is a mixture of salt and fresh water.
Les eaux du marais sont saumâtres.
The waters of the marsh are brackish.
Here, 'saumâtre' metaphorically describes an expression characterized by bitterness or displeasure.
Elle avait une expression saumâtre après cette conversation.
She had a bitter expression after that conversation.
In this sentence, 'saumâtre' is applied to describe the taste of the soup, suggesting it has a somewhat salty or unpleasant taste.