1 approximately, around; about, nearly:
The British Museum is roughly in the same direction as Euston. It cost roughly two weeks' wages. Roughly two years later I saw her again
2 harshly, unkindly, severely, sternly, unsympathetically, brutally, violently, savagely, inhumanly, mercilessly, unmercifully, ruthlessly, pitilessly, cruelly, heartlessly:
The police were accused of dealing too roughly with those suspected of harming a fellow officer
3 clumsily, rudely, crudely, awkwardly, primitively, inexpertly, amateurishly, maladroitly, heavy-handedly, ineptly, inefficiently, unskilfully, inartistically:
This roughly hewn block of local granite is what the council paid a fortune for as 'sculpture'.