separate

divide, separate, part, divorce

这些动词都有“分开”之意。
divide: 指把一个整体按要求分成几个部分，暗示分配之意；也可指分开两个对立的事物。
separate: 指把两个人或物分开，着重从原属一个整体中移居一部分或把两者隔开。
part: 多指使紧密相连的人或物分开，往往暗示最后分离的意味。
divorce: 特指两个或更多的互为依赖的事物的分离，尤指婚姻的合法解体。

isolate, separate, segregate, insulate

这些动词均有“分开、分离、隔离”之意。
isolate: 侧重指完全分离、隔开，也指人或物处于完全孤立的状态。
separate: 指一般意义上的分开或隔开。
segregate: 指把一群人或物从整体或主体中分离出来。
insulate: 指隔开、分离，尤指用某种东西阻挡从里面逃出或从外面进入的东西。作技术用词时，专指用某种绝缘体隔断通路。

名词 separate:

1. a separately printed article that originally appeared in a larger publication
   同义词：offprint, reprint
2. a garment that can be purchased separately and worn in combinations with other garments

动词 separate:

1. act as a barrier between; stand between
   同义词：divide
2. force, take, or pull apart
   同义词：disunite, divide, part
3. mark as different
   同义词：distinguish, differentiate, secern, secernate, severalize, severalise, tell, tell apart
4. separate into parts or portions
   同义词：divide, split, split up, dissever, carve up
5. come apart
   同义词：divide, part
6. divide into components or constituents
7. arrange or order by classes or categories
   同义词：classify, class, sort, assort, sort out
8. become separated into pieces or fragments
   同义词：break, split up, fall apart, come apart
9. make a division or separation
   同义词：divide
10. discontinue an association or relation; go different ways
    同义词：part, split up, split, break, break up
11. go one's own way; move apart
    同义词：part, split
12. treat differently on the basis of sex or race
    同义词：discriminate, single out
13. divide into two or more branches so as to form a fork
    同义词：branch, ramify, fork, furcate

形容词 separate:

1. independent; not united or joint
2. standing apart; not attached to or supported by anything
   同义词：freestanding
3. not living together as man and wife
   同义词：apart, separated
4. characteristic of or meant for a single person or thing
   同义词：individual, single
5. separated according to race, sex, class, or religion
6. have the connection undone; having become separate
   同义词：disjoined

1. The war separated many families.
   战争使许多家庭妻离子散。
2. This word has three separate meanings.
   这个词有三个不同的意思。