impeccable (French)

Where does "impeccable" come from?

The French adjective 'impeccable', meaning 'perfect' or 'faultless'[1], entered the language as a learned borrowing from the Late Latin word 'impeccābilis'[1]. This Latin term is derived from the verb 'peccāre'[1].

Full etymology tree

• impeccable (French), 'perfect, faultless, impeccable'
  • learned borrowing impeccābilis (Late Latin)
    • derived peccare (Latin), 'inflection of peccō:'

Descendants and derived words

• impec (French)
• impec (French)
• impeccablement (French)

Sources

1. impeccable (French) - Wiktionary

Updated August 2026

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Etymology data from Wiktionary, CC BY-SA 4.0 · About Miraris