I have a question regarding the difference between 欲しい and 要る.

So far, what I know both words mean "want". The first one is an adjective and
the second one is a godan verb with -ru ending. Now, I confused about the
sentence below.

> こんなレプリカは いらない

does it has the similar meaning with?

> こんなレプリカが欲しくない (I make this sentence by myself)

what is the difference in those sentence? Thank you.
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2017-10-31T07:54:12.060
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2023-02-22T19:01:20.993
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question
word-usage
What is the difference between 欲しい and 要る?
The word 要る can be translated as "to want," but it's more about necessity. If
you look at a Japanese dictionary, you are likely to see a definition as
simple as 必要である.

欲しい is about desire, 要る has to do with necessity. Though, obviously sometimes
the two concepts have some overlap.
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2017-10-31T08:46:50.867
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2017-10-31T08:46:50.867
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answer
@Leebo's answer is perfect as good Japanese goes. In informal conversation,
however, you very often use 要る to mean 欲しい。

A: このゲーム機要る？ もう使わないんだけど。(Do you want this game console? I don't use it any
more.) B: 要る！！！ (I do!!!!)

A's 要る can be replaced with 欲しい with very little change in connotation, but
B's statement would sound somewhat weaker if she said 欲しい。That is, an
affirmative 要る can express a stronger desire than 欲しい in informal use.

欲しい, on the other hand, isn't used to express necessity.
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2023-02-22T19:01:20.993
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answer