Added 9 October 2026 effortful adjective Categories: Describing WordsRare Words adjective ! Definition from Wiktionary (CC BY-SA). More about effortful at Wordnik → Where our words come from → Requiring or showing effort. Origin From effort + -ful. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: toilsomelabouredlabouriousbackbreakinglaboriouslaboredarduouspunishinggruellingdifficultstrainingstrenuous Back to today's word