Hard To Kill Page

Scientists often use the phrase to describe organisms or pathogens that exhibit extraordinary resistance:

Metaphorically, the phrase applies to abstract concepts like hope or human spirit. For example, some argue that "though hope is frail, it's hard to kill," emphasizing that internal resolve often outlasts external hardship. It has also been used in business contexts, where "cockroach startups" are defined by their ability to survive lean times through extreme frugality and persistence. Hard to Kill

For those without a "green thumb," selecting plants that can survive neglect is a common goal: Scientists often use the phrase to describe organisms