Added 9 October 2026 backsolution noun noun ! Definition from Wiktionary (CC BY-SA). More about backsolution at Wordnik → Where our words come from → The process or result of backsolving. Origin From back + solution. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: backslidebackfillingback-engineeringbacktranslationrowbackretrocalculationreversereversalbacktrackingrow-back Back to today's word