noun
1. : a sentimental weakness : an affectionate inclination : leaning
women have a soft spot for a man with a broken heart — Rearden Conner
2. : a vulnerable point
the major soft spot in the West's armor — World
3. : any business or department of the economy that displays weakness
some soft spots have appeared in a number of items, notably in stainless steel and in sheet and strip — Wall Street Journal