Added 10 October 2026 adaptedness noun Categories: Obscure Words noun ! Definition from Wiktionary (CC BY-SA). More about adaptedness at Wordnik → Where our words come from → The state of being adapted; suitableness; fitness. The result of being adapted. Related Words: suitablenessfittednessadaptnessadaptablenessadaptivenessadaptivitysuitednessfittingnessadaptabilityaptitudeadaptativityadustness Back to today's word