This is the 1955th most frequent Japanese word.
おかしい
Strange, funny, or odd.
In this sentence, the word おかしい is used to express that the situation is unusual or strange, indicating a perception that something is not functioning as expected.
この機械は動かない、おかしいですね。
This machine isn't working—how strange.
Here, おかしい conveys a sense of peculiarity or abnormality in behavior, questioning the appropriateness of continuous laughter.
彼はずっと笑っていておかしくないですか？
Isn't it odd that he's been laughing all this time?
In this example, おかしい is used to describe something as humorous or funny, leading to laughter.