The antonyms for the phrase "coming from sides" would be words and phrases that describe motion or direction that does not originate from two different directions. These antonyms could include words like "straight" or "forward," that suggest movement in a singular direction, rather than a two-sided approach. Other antonyms may include "central," "singular," "unilateral," "linear" or "axial," emphasizing movement coming from one specific point or pathway. While phrases like "coming from sides" imply movement that is all-encompassing or inclusive, these antonyms suggest a more focused or deliberate motion that is coming from a distinct direction or source.