Treacherous

//ˈtɹɛt͡ʃəɹəs//

Antonyms for "treacherous" (8 found)

Adjective(8 words)

faithful fidelitous leal loyal steadfast true untraitorous untreacherous

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.