The word "treacherous" in English means: Dangerous because of bad weather or hidden dangers., Guilty of betraying someone's trust; deceitful and disloyal..
The phonetic transcription of "treacherous" is /ˈtretʃərəs/ in British English and /ˈtretʃərəs/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "treacherous": dangerous, hazardous, perilous, disloyal, deceitful, traitorous.
Example usage of "treacherous": "The ice on the path was treacherous.". More examples on the page.