Crude and superficial.

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1847.  We now greet our friend A. B., as a Sophomore…. We trust he will add by his example no significancy to that pithy word, ‘Sophomoric.’…. Carried a composition to Professor ——…. The Professor told me it was rather Sophomorical. Wonder what he intended by that epithet.—Wells and Davis, ‘Sketches of Williams College, pp. 63, 74.

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1854.  Students are looked upon as being necessarily Sophomorical in literary matters.—Williams Quarterly, ii. 84: B. H. Hall, ‘College Words,’ p. 439 (1856).

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1873.  “Am I not a little less sophomorical than I used to be,” he once asked his good friend.—W. S. Tyler, ‘Hist. Amherst Coll.,’ 498.

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