1 use when in difficulty TRANSITIVEhe had to fall back on the bike to get to workb'éigean dó dul i muinín a rothair chun dul ag obair, ní raibh an dara rogha aige ach dul i dtuilleamaí a rothair chun dul ag obairif I lose my job, I'll have nothing to fall back onmá chaillim mo phost, ní bheidh dada eile agam; má chaillim mo phost, ní bheidh cúl cinn ar bith agamI had to fall back on talking about the weatherní raibh agam ach tosú ag caint faoin aimsir2 get help from (sb) when in difficulty TRANSITIVEwe had to fall back on my mother for the rentní raibh de rogha againn ach an cíos a fháil ó mo mháthair, b'éigean dúinn brath ar mo mháthair leis an gcíos a íoc → féach fall