facetious
🇺🇸
/fəˈsiːʃəs/
🇬🇧
/fəˈsiːʃəs/
not taking things seriously and trying to be funny at inappropriate times
She made a facetious comment during the meeting, which was not the right time for a joke.
她在會議中開了一個玩笑,但那不是開玩笑的合適時機。