英和辞典
  
ratherA2
rǽðərラざ
副詞
❶主に A rather than B で BよりはむしろA, どちらかと言えばBよりA
The color is blue rather than green.
The color is blue rather than green.
その色は緑というよりむしろ青です.
❷かなり, とても (quite); 幾分いくぶん, 少々 (a little)  ⦣ 前後関係によって程度に幅はば があるが, very まではいかないまでも, 程度の高いことを示すことが多い.
It is rather cold today.
It is rather cold today.
きょうはかなり寒い.
It's rather a good idea.=It's a rather good idea.
It's rather a good idea.=It's a rather good idea.
それはとてもいい考えだ.
Our baby can walk rather well.
Our baby can walk rather well.
うちの赤ちゃんはなかなか上手に歩けます.
❸(or) rather で話 より正確に言うと
would rather do than dowould rather dowould rather do (than do)
would rather do (than do)
(~するより)むしろ~したい
I would rather go with you than stay at home.
I would rather go with you than stay at home.
家にいるよりはあなたといっしょに行きたい.