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: a person who never laughs.
And in the Essay on Comedy he did at least remind us that in scholarship and in literature, or indeed in any of the circumstances of our mortal careers, the final word should not be with the agelast, the one who never laughs. — Richard Franko Goldman, American Scholar, Winter 1966–67
borrowed from Middle French agelaste (Rabelais), borrowed from Greek agélastos “not laughing, grave, gloomy,” from a + gelastós, verbal adjective of gelân “to laugh.”
First Known Use: 1877