sphere, s.1Comhchruinneán m, sféar m. S.a. MUSIC. 2aLimistéar m. He is out of his sphere, tá sé lasmuigh dá ghnáthóg. In the mental sphere, i ngnóthaí na hintleachta. bRéim f, raon m. To extend one's sphere of activity, saothar níos scóipiúla a tharraingt ort féin. Limited sphere, raon cúng. That does not come within my sphere, níl sin i mo riocht. Sphere of influence, raon, réim, feidhme.