гру́бо

fairly common #4164C2

adverbadverb of гру́бый

1.
rudely, harshly, curtly
Он гру́бо отве́тил матери.
He answered his mother rudely.
Most common sense: about how someone speaks or treats others.
2.
roughly, coarsely, crudely
Доски́ были гру́бо обтёсаны.
The boards were roughly hewn.
About the way something is made, cut or handled.
3.
roughly, approximately
Гру́бо говоря, э́то стоит ты́сячу рубле́й.
Roughly speaking, it costs a thousand roubles.
Mainly in the phrase 'грубо говоря' (roughly speaking).

Examples

Буркнутое им слово прозвучало грубо.
The word he muttered sounded rude.
Он вёл себя чудовищно грубо со всеми
He behaved outrageously rudely toward everyone.
Грубо шути́ть над свои́м нача́льником на лю́дях.
It's rude to make fun of your boss in public.
Э́то бы́ло очень грубо.
That was very rude.
Он грубо обраща́лся со свои́м бра́том.
He knocked his brother about.
Неуслужливый продавец грубо ответил покупателю
The disobliging shop assistant answered the customer rudely.
Пока́зывать па́льцем на други́х - грубо.
It is rude to point at others.
Слова, вырывавшиеся из его рта, звучали грубо.
The words that burst from his mouth sounded harsh.