English edit

Etymology edit

over- +‎ thin

Verb edit

overthin (third-person singular simple present overthins, present participle overthinning, simple past and past participle overthinned)

  1. (transitive) To make too thin.
    Add some water to the sauce, but don't overthin it.

Adjective edit

overthin (comparative more overthin, superlative most overthin)

  1. Excessively thin.