This is the 5595th most frequent French word.
bénin
Mild, harmless, or benign.
In this context, 'bénin' describes the gracious and gentle nature of the smile.
Son sourire avait un air bénin.
His smile had a gentle expression.
In this sentence, 'bénin' is used to describe an animal as harmless.
Cet animal semble bénin et inoffensif.
This animal seems harmless and non-threatening.
Here, 'bénin' refers to the tumor's non-malignant medical condition.