/ ˈɪəri; NAmE ˈɪri/ adjective
strange, mysterious and frightening
SYN uncanny :
an eerie yellow light
I found the silence underwater really eerie.
► eer·ily / ˈɪərəli; NAmE ˈɪr-/ adverb
► eeri·ness noun [ U ]
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WORD ORIGIN
Middle English (originally northern English and Scots in the sense fearful ): probably from Old English earg cowardly , of Germanic origin; related to German arg .