1 (v + adv) become popular INTRANSITIVEthat style has caught ontá an stíl sin san fhaisean, tá an stíl sin tagtha i dtreiscycling has really caught on againtá an rothaíocht imithe ó neart go neart arís, tá an-tóir ar an rothaíocht arís2 (v + adv) understandtuig verb c m u INTRANSITIVEthey'd gone when she caught onbhí siad imithe nuair a thuig sí an scéalit takes him a while to catch ontógann sé tamall air rudaí a thabhairt leisthey've caught on to what's going ontuigeann siad anois cad atá ag tarlú → see catch