undone, a.1aScaoilte, oscailte. To come undone, (of button) scaoileadh, oscailt. My shoe has come undone, tá mo bhróg scaoilte. bCreachta, millte, scriosta, ó rath. 2Gan déanamh; gan chríochnú. To leave work undone, obair a fhágáil gan déanamh. To leave nothing undone which might help, gan faillí a dhéanamh in aon rud a rachadh chun sochair.