unceasingly
🇺🇸
/ʌnˈsiːsɪŋli/
🇬🇧
/ʌnˈsiːsɪŋli/
continuously or without pause
The rain fell unceasingly for days, causing widespread flooding.
雨が何日も絶え間なく降り続け、広範囲にわたる洪水を引き起こしました。