facetiously
🇺🇸
/fəˈsiːʃəsli/
🇬🇧
/fəˈsiːʃəsli/
in a joking or humorous way, especially when it's not appropriate
He facetiously suggested that we should all start wearing clown noses to work.
他開玩笑地建議我們都應該開始戴著小丑鼻子去上班。