un ‧ end ‧ ing /ʌnˈendɪŋ/ BrE AmE adjective
[ Word Family: noun : ↑ end , ↑ ending ; adjective : ↑ unending , ↑ endless ; verb : ↑ end ; adverb : ↑ endlessly ]
something, especially something bad, that is unending seems as if it will continue for ever:
an unending stream of people