No direct bengali meaning for the english word 'treacherous' has been found. Check out the following synonyms for the same word which are very close in meaning.
- insidious - বিশ্বাসঘাতক, কুটিল, কপট, গোপনচারী, সংগোপনে বা ভেতরে ভেতরে বেড়ে-ওঠা
- perfidious - বিশ্বাসহীন, অবিশ্বাসী