highway, s.Bealach m mór, bóthar m mór.The highways and by-ways of Ireland, bóithre na hÉireann -idir bheag agus mhór. The King's Highway, bóthar an rí. He took (to) the highway, d'imigh sé ag gadaíocht ar na bóithre. He is on the highway to success, tá sé ar bhealach geal a leasa. He is on the highway to ruin, tá sé ar bhealach dearg a aimhleasa, i mbealach a bhasctha.