Adjective:

1. not belonging to or not allowing affiliation with a trade union;

   "nonunion carpenters"
   "a nonunion contractor"
   

Nonne农内nonadv.[拉]非；不是nonseparable不可分的non porosityn.无孔性nonperfusion无灌注nonoperativeadj.不工作的(无效的；不动作的)nonredundantadj.无余度的non-combatadj.非作战nonfloweringadj.(尤指苔藓、蕨等)不开花的nonbenzenoid非苯型的nonautomaticadj.非自动的nonimmigrantn.外国旅客；出境后又回来之外侨

1. Meanwhile, the company laid off another2,500 nonunion workers yesterday after sending an initial7,000 packing on Monday ...
   这时，在周一初步解雇7000人以后，公司昨天又遣散了2500名未参加工会的工人 ... 。