1 noun MEAS, NAUTfeá masc4 c m u2 (also fathom out (v + adv) ) verb TRANSITIVEtuig verb c m uoibrigh amach c m uhe can't fathom itní thuigeann sé é, níl tuiscint ar bith aige airI can't fathom why you're angryní thuigim ar chor ar bith cén fáth a bhfuil fearg ort