yes they are antonyms
Synonyms .
"Irregular" and "rough" can be considered synonyms in certain contexts, as both can describe something that is not smooth or uniform. However, they are not direct synonyms and can also have distinct meanings, with "irregular" often referring to something that lacks consistency or pattern, and "rough" typically describing a texture that is not smooth. Therefore, while they can overlap in meaning, they are not strict synonyms or antonyms.
A synonym for the word "rough" is rugged. An antonym for "rough" is smooth. Please see the related link below.
Because the rough road has more friction, thus expending the balls energy quicker than smooth road with less friction.
Both might be ok, informally, with different meaning. Unsmooth would be a verb, meaning to roughen, as a surface: I unsmoothed it with scratchy, rough sand-paper. Non-smooth would be an adjective: Stand on the non-smooth part for better traction. But it is better to use roughen for the verb and rough for the adjective.
i think it is irregular
smooth
Smooth. Silent.
synonyms
Synonyms .
Smooth is to rough as calm is to turbulent.
Rough with the Smooth was created in 1995.
The difference between rough and smooth is the texture. Rough things have a bumpy, abrasive texture. Smooth things have are not rough.
"Irregular" and "rough" can be considered synonyms in certain contexts, as both can describe something that is not smooth or uniform. However, they are not direct synonyms and can also have distinct meanings, with "irregular" often referring to something that lacks consistency or pattern, and "rough" typically describing a texture that is not smooth. Therefore, while they can overlap in meaning, they are not strict synonyms or antonyms.
steam with rough bark
rough
Steel can be both. It can be smooth or rough. It depends how it is made...