whether, conj.1(Introducing an indirect question) An (with eclipsed dependent form); ar (with lenited form of past tense of regular vbs.); cé acu (followed by lenited independent or relative form of verb; used only when alternative is mentioned) I don't know whether he was there, níl a fhios agam an raibh sé ann. Tell her whether you will come or not, abair léi cé acu a thiocfas, a thiocfaidh, tú nó nach dtiocfaidh; abair léi an dtiocfaidh tú nó nach dtiocfaidh. The question was whether or not to take her with him, ba í an cheist a bhí le réiteach cé acu a thabharfadh sé leis í nó nach dtabharfadh. I don't know whether it's true or not, níl a fhios agam an fíor bréag é. 2(Conditional) Cibé acu (followed by lenited independent form; or imperative used in Irish) We will go whether he comes or not, imeoimidne, tagadh sé nó ná tagadh, cibé acu a thiocfaidh sé nó nach dtiocfaidh. Whether you like it or not, you have to do it, cibé acu, más, olc maith leat é, caithfidh tú é a dhéanamh.