Without Stop is a phrase that can be used to describe something that continues without interruption. The two crossword solutions for this phrase are ENDLESSLY, which has 9 letters, and ONEND, which has 5 letters. ENDLESSLY is an adverb that means 'in a manner that never stops or ceases, ' while ONEND is an adverb that means 'continuously; without interruption.' Both words can be used to describe something that goes on without stopping.