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: alarmingly or eerily frightening
alarming, dire, direful, dread, dreadful, fearful, fearsome, forbidding, formidable, frightening, frightful, ghastly, hair-raising, horrendous, horrible, horrifying, intimidating, redoubtable, scary, shocking, terrible, terrifying
1946, in the meaning defined above
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: very exciting, thrilling, or frightening
See the full definition for spine-chilling in the English Language Learners Dictionary
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a knickknack or trinket
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