Definition of "juvenilia"

...rhyme was not his [Milton's] talent; he had neither the ease of doing it, nor the graces of it: which is manifest in his "Juvenilia" or verses written in his youth, where his rhyme is always constrained and forced,...

1693, John Dryden, A Discourse on the Origin and Progress of Satire‎

Lewis’s juvenilia is childlike, and the way it has been handled is childish.

1996, Kathryn Lindskoog, Light in the Shadowlands‎

Though there is a large body of criticism on Brontë’s novels, there are very few interpretations of the juvenilia, […]

1997, Tomoko Kuribayashi with Julie Tharp edd., quoting Susan Anne Carlson, “Incest and Rage in Charlotte Brontë’s Novelettes,”‎, quoted in Creating Safe Space

The last line, adapted from Coleridge, reminds us that we are never such kleptomaniacs as in our juvenilia.

2003, James Fenton, The Strength of Poetry‎