1 adverb producing desired effectgo héifeachtach c m ugo héifeachtúil c m umake sure you use your time effectivelycinntigh go n-úsáidfidh tú do chuid ama go héifeachtach, déan cinnte go mbainfidh tú úsáid éifeachtach as do chuid ama2 adverb in fact, in realitydáiríre c m ule fírinne c m ugo bunúsach c m uhe didn't say it but, effectively, it's what he meantní dúirt sé é ach, dáiríre, sin an rud a bhí i gceist aigethis device means it's effectively impossible to do itleis an ngaireas seo tá sé dodhéanta, a bheag nó a mhór, é a dhéanamh