undo
1 verb untie, open, etc TRANSITIVEscaoil verb oscail verb to undo a knot snaidhm a scaoileadhI undid the parcel d'oscail mé an bearthe undid his shirt d'oscail sé a léineshe undid the knitting rois sí an chniotáil, scaoil sí amach an chniotáilto undo a bolt bolta a scaoileadh, bolta a bhaint 2 verb nullify, invalidate TRANSITIVEcuir ó mhaith cuir ar neamhní cuir ar ceal scrios verb mill verb that would undo our work chuirfeadh sé sin ár gcuid oibre ó mhaith, mhillfeadh sé sin ár gcuid oibreto undo a mistake botún a cheartú, meancóg a chur ina ceartShow full entry
3 verb COMP cancel, reverse
TRANSITIVEcealaigh verb cuir ar ceal you can undo the changes is féidir leat na hathruithe a chealú, is féidir leat dul siar ar na hathruithe
INTRANSITIVEyou can undo is féidir leat cealú a dhéanamh, is féidir leat an rud a rinne tú a chur ar ceal
4 verb cause to fail TRANSITIVEthat's what undid him ba é sin a scrios é, ba é sin a rinne a aimhleas, sin an rud a rinne a chabhógthey were undone by a late goal chuir cúl déanach deireadh leo