あやしい
suspicious, dubious
Something about the man will not add up and nobody in the room can say which part. Aye あや, she しい said, and left it at that: あやしい.
おかしい is odd in a way that might yet turn out funny. 怪しい puts the weight on the suspicion.
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Emaki is not affiliated with, or endorsed by, Kaishi 1.5k or its authors. The word, reading and meaning come from the Kaishi 1.5k deck, used with their permission. The mnemonic, the note and the kanji breakdown are original work, published under CC BY-SA 4.0.