a. (UN-1 7.)

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1821.  Blackw. Mag., X. Aug., 36/1. Though they [girls] may occasionally assist at those [games] of the boys, yet it would be accounted unboyish, or effeminate, did the little men venture to take a part in the amusements more peculiarly appropriated to the girls.

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1864.  Miss Yonge, Trial, I. 277. The steady low voice, and unboyish language.

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1881.  Mary C. Hay, Missing, etc. II. 43. It might have grown into an idle and unboyish habit.

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