Invulnerable/ɪnˈvʌlnərəbl/ Definition 1 of 2Pro Tip 1/3Metaphorical use Often used metaphorically to describe someone emotionally strong or unaffected by others' opinions. Despite the scandals, the CEO seemed invulnerable. Pro Tip 2/3Nuanced negativity Can imply a lack of empathy or emotional connection when describing a person. His invulnerable attitude made him appear cold. Pro Tip 3/3Overstatement warning Be cautious not to use 'invulnerable' as an exaggeration; nothing is truly invulnerable. The fortress, thought to be invulnerable, was breached.