This is the 3411th most frequent French word.
blunt
The French word "blunt" does not exist; it is an English word meaning "straightforward or abrupt in speech or manner."
The word 'émoussé' here means 'blunt' in the sense of an object not being sharp.
Ce couteau est si émoussé qu'il ne coupe rien.
This knife is so blunt that it doesn't cut anything.
In this case, 'brusque' conveys 'blunt' as being straightforward or terse.
Son commentaire direct était un peu brusque, mais il a dit la vérité.
His direct comment was a bit blunt, but he told the truth.
Here, 'émoussées' again denotes 'blunt' referring to the dullness of a physical edge.