a.

1. 相像的，相仿的，类似的[（+to）]
   His problem is similar to yours.

   他的问题和你的相似。

   My view is similar to yours.

   我的看法与你相似。

   They had similar views.

   他们意见相似。

2. 【数】相似的[Z]

n.

1. 【古】相似之物，类似之物[C]

adj.

1. of the same kind in appearance, character, or quantity, without being identical.
2. Geometry  (of geometrical figures) having the same angles and proportions, though of different sizes.

n.

1. chiefly archaic a person or thing similar to another.
2. a substance that produces effects resembling the symptoms of a disease (the basis of homeopathic treatment).