Illegitimi Non Carborundum is a latinate motto meaning “Even the illegitimate may not be wearied down.” Used as a phrase of defiance or resilience, it signals perseverance against adversity. Though often associated with anti-frustration sentiment, it is commonly invoked to express grit and tenacity in the face of difficulty. It functions as a proper noun in quotations, slogans, or as a stylistic label.
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