Meaning of “rough” - Learner’s Dictionary

rough

adjective uk us /rʌf/
NOT SMOOTH

B1 A rough surface is not smooth:

rough hands
rough ground
APPROXIMATE

B1 approximate:

a rough estimate
Can you give me a rough idea of the cost?
FORCEFUL

B2 If the sea or weather is rough, there is a lot of strong wind and sometimes rain:

The boat sank in rough seas off the Swedish coast.
SICK [ never before noun ] UK

sick:

I feel a bit rough after last night.
DIFFICULT

B2 difficult or unpleasant:

She's having a rough time at work.
DANGEROUS

dangerous or violent:

a rough part of town
Hockey can be quite a rough game.
NOT PERFECT

quickly done and not perfect:

These are just rough sketches.
roughness noun [ U ]

(Definition of “rough adjective” from the Cambridge Learner’s Dictionary © Cambridge University Press)