stumble2, v.i.1Tuislím, baintear barrthuisle asam. He was stumbling along, bhí sé ag stamrógacht leis. He stumbled over sth., bhain rud éigin tuisle as. 2He stumbled (in his speech), bhain stad dó (ina chuid cainte). Stumbling through his lessons, ag bacadradh trína cheachtanna. 3To stumble across, on, s.o., sth., teacht ar dhuine, ar rud, de thaisme.