no-account       
adjective [ before noun ] US old-fashioned informal uk/ˈnəʊ.əˌkaʊnt/ us/ˈnoʊ.əˌkaʊnt/
 (人)没用的,无足轻重的
used to describe a person of little use or importance
  She left her no-account second husband and moved to Oregon. 她离开她那没出息的第二任丈夫,搬到了俄勒冈。 
 Synonyms: good-for-nothing no-good