9 letters · 13 points in Scrabble
adjective not done with purpose or intent
adjective not aware or knowing
adjective unaware because of a lack of relevant information or knowledge
originFrom Middle English unwittinge, unwitand, from Old English unwitende (“unwitting; not knowing; unaware; unconscious”), from Proto-Germanic *unwitandz (“not knowing”), equivalent to un- + witting. Cognate with West Frisian ûnwittend, Dutch onwetend, German Low German unwetend, German unwissend and unwissentlich, Icelandic óvitandi.
Etymology from Wiktionary, CC BY-SA 3.0