Similar refers to resembling something, but not being identical.
Similar意为和某事相像但是又不是完全一样。

We have many similar interests.
我们有许多相似的爱好。

Similar是一个很常见的英语单词，它有许多同义词，下面为大家列举一些常见的。

1. Alike
相似的

Alike means that two or more things are similar to each other. This word can almost always be used to directly replace similar.
Alike意为两个或者多个事物与彼此很相像。这个词可以直接用来代替similar。

My sister and I are nothing alike.
我和我妹妹一点也不像。

2. Indistinguishable
不易区分的

Indistinguishable means that one cannot tell two or more things apart. In other words when something is indistinguishable one cannot tell the difference between them. It doesn’t mean that they are identical, it just means that someone can’t tell the difference. Indistinguishable is closer to being identical than similar.
Indistinguishable意为无法区别两个或者多个事物。换句话说，用indistinguishable来形容某些事物时说明无法分辨他们的区别。但是这并不意味着这些事物是相同的，只是意味着人们不能够分辨出他们的区别。难以分辨是指接近相同而不是相似。

Even though these are two different colors my husband thinks they are indistinguishable.
尽管这是两种不同的颜色，但是我的丈夫认为它们不容易分辨。

3. Homogeneous
同种的，相似的

Homogeneous refers to two or more things that are alike. Homogeneous is often used to say that two things go together.
Homogeneous意为两个或者多个事物是相同的。常用来表示两个事物是一致的，是同时进行的。

Not all doctors think in a homogeneous way.
并不是所有的医生都用同种方式思考。

4. Comparable
可比较的

Comparable refers to something being likened to something else. It’s a way of saying that one thing is similar to another.
Comparable意为把一件事物与另一件事物相比较。这是表达一种事物与另一种事物相似的说法。

I don’t feel like those two things are comparable.
我不觉得这两件事具有可比性。

5. Equivalent
相似的，同意义的

Equivalent refers to having the same amount or value.
Equivalent指数量或者价值相似。

These two things cost the same thing, but the quality isn’t equivalent.
这两件东西成本一样但是质量却不相同。

6. Akin
类似的

Akin refers to two or more things being similar in character.
Akin是指两个或者多个事物3在性质上很相似。

The pain that I felt in my knee today was not akin to what I felt before.
今天我膝盖的疼法和以前不一样。

7. Related
有关系的

Related means that two or more things are part of the same group or they are connected. This word is often used to describe family members, but it is even more commonly used to describe anything that is similar or is connected to another thing.
Related指两个或者多个事物都是同一组的一部分或者说他们是相关联的。这个词常用来描述家庭成员，但是它也可以用来描述任何有关联的事物。

Is the research that you did related to what I was doing earlier?
你做的研究和我之前做的有关联吗？

8. Close
紧密的

Close refers to being near something, or being near in proximity to doing something. Two things can be close in location or similar in nature.
Close指接近某物或者接近于做某事。这两件事物在定位上或者性质上很相似。

These two colors are very close to each other.
这两种颜色非常接近。

9. Resembling
相似的

Resembling means that the qualities and appearance of one thing is similar to that of another. This word is especially used when speaking about things that look similar.
Resembling指两件事物的品质和外观都很相似。这个词在谈论类似的事情的时候尤其适用。

The two documents resemble each other, but if you look closely you can see the differences between them.
这两份文件很像，但是如果你仔细看，你还是能看出来其中的区别。

10. Correlative
有关联的

Correlative means that there is a mutual relationship between two or more things.
Correlative指事物之间存在的相互关系。

Parents and teachers have correlative goals when it comes to their children’s education.
涉及到孩子的教育时，父母和老师的目标是相似的。