[] done, chosen, etc. without sb thinking or deciding in advance what is going to happen, or without any regular pattern随意的；任意的；未经事先考虑的◆Create passwords using a random assortment of letters, numbers and symbols.使用随机组合的字母、数字和符号产生密码。◆The information is processed in a random order.信息是按照随机顺序处理的。▸ˈrandomly