1 (v + prep) have negative effect TRANSITIVEtéigh i bhfeidhm ar c m ucuir as do c m utar salach ar c m uit impinges on your rightstéann sé i bhfeidhm ar do cheartait won't impinge on the schedulení chuirfidh sé as don sceideal2 (v + prep) advance over TRANSITIVEbuail in éadan c m uteagmhaigh le c m ubain do PhrV c m uthe fire was impinging on an exit routebhí an tine ag blocáil bealach éalaithe3 (v + prep) PHYS hit TRANSITIVEbuail in aghaidhthe rays impinge on a metal targetbuaileann na gathanna in aghaidh sprioc mhiotail