inconceivable
🇺🇸
/ˌɪnkənˈsiːvəbl/
🇬🇧
/ˌɪnkənˈsiːvəbl/
too strange or unlikely to be imagined or believed
The idea that he would lie is inconceivable because he always tells the truth.
他会撒谎的想法是不可思议的,因为他总是说实话。