Comparative form of hardy; more capable of surviving difficulty, hardship, or harsh conditions.
From 'hardy' (meaning tough and resilient) plus the comparative suffix '-er'. Hardy itself comes from Old French 'hardi' meaning bold or daring, and evolved to mean physically tough.
Darwin noted that hardier individuals survive better, but here's the twist: sometimes the hardiest survivors aren't the strongest but the ones most willing to adapt their behavior and beliefs.
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