without是形容词吗?不是的话又是什么词

without是形容词吗?不是的话又是什么词

without[英][wɪˈðaʊt][美][wɪðˈaʊt, wɪθ-]
adv.在外部; 户外; 缺少; 没有或不显示某事物; 
prep.没有，缺乏; 在外面; 
conj.除非，如果不; 
In addition to the uses shown below, without is used in the phrasal verbs ‘do without’, ‘go without’, and ‘reckon without’.
除下列用法外，without 还可用于 do without, go without 和 reckon without 等短语动词中。
1.PREP缺乏；没有;不用You use without to indicate that someone or something does not have or use the thing mentioned.
I don't like myself without a beard...
我不喜欢自己没胡子的样子。
2.PREP在没有(发生或做某事)的情况下If one thing happens withoutanother thing, or if you do something without doing something else, the second thing does not happen or occur.语法信息
He was offered a generous pension provided he left without a fuss...
他如果一声不吭地离开，就会获得一笔丰厚的养老金。
3.PREP没有，不带(某种感情)If you do something without a particular feeling, you do not have that feeling when you do it.
Janet Magnusson watched his approach without enthusiasm...
珍妮特·马格努森冷冷地看着他走过来。
4.PREP…不在场;没有…参加If you do something without someone else, they are not in the same place as you are or are not involved in the same action as you.
I told Franklin he would have to start dinner without me...
我告诉富兰克林吃晚饭不必等我。

不是，是介词

without可以作为副词，介词和连词