止め処なく

とめどなく【止め処なく】

endlessly; ceaselessly; interminably; unceasingly; nonstop; 《laugh》 incessantly; uninterruptedly; 《chatter》 without end [interruption, ceasing, a stop].

●涙がとめどなく流れた. The tears flowed nonstop. | The person shed copious tears.

・涙がとめどなく流れて仕方がなかった. Try as I might, I couldn't keep back my tears.

・とめどなくせきが出た. She couldn't stop coughing.

・彼はとめどなくしゃべり続けるのであった. He would go on talking forever [interminably, 《英》 for ever].