noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A student who leaves an academic institution but later returns to continue studying.
2. 2
   An acid-resistant liquid used to cover the parts of a surface that should not be bitten. countable, uncountable

Etymology

Etymology 1

Blend of stop + dropout.

Etymology 2

Deverbal from stop out.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.