Without a pause or interruption; incessantly. Emphasizes an unbroken, continuous state (e.g., 'incessant rain').
彼女は絶え間なく笑い続けて、周りの空気が明るくなった。
She kept laughing incessantly, and the atmosphere around became brighter.
絶え間なく降る雨で川が増水した。
The river rose because of the incessant rain.
彼は絶え間なく努力を続け、ついに目標を達成した。
He continued his efforts without stopping and finally achieved his goal.