是。out了在网络用语中有“落后、落伍”的意思，是“out of time”的简称，常见表达还有“你out了”，其意思是你落伍了、跟不上潮流了等。单词out作介词的意思为出去、外出、不在家等；作名词解释为回避的方法、托词、出路等；作动词的意思是揭露、公布。
相关例句：1、All their wet clothes were pegged out on the line.
他们的湿衣服都夹在外面的绳子上了。
2、The rain was still coming down in buckets when we went back out.
我们回去时，外面的倾盆大雨仍然下个不停。
3、Now she won't have to go out to work any more.
现在她不必再出去工作了。
4、No one could have foreseen things would turn out this way.
谁都没有预料到事情的结果会这样。
