weakness
In French, the word 'faiblesse' refers to a lack of strength or power, both in a physical sense and in a metaphorical sense. It can be used to describe someone's vulnerability, a character flaw, or a deficiency in capabilities. 'Faiblesse' can also appear in various contexts, such as discussing emotional weaknesses or challenges in personal characteristics, thus emphasizing the multifaceted nature of what it means to be weak.