The term "most meant" refers to the most important or significant thing in a given context. Some antonyms for this phrase could include "least important," "unimportant," or "insignificant." Other antonyms might be "unintentional," "accidental," or "incidental," implying that the thing in question was not intentionally meant. Additionally, synonyms or related terms could include "secondary," "trivial," or "peripheral," suggesting that the thing in question is important but not the most important. The choice of antonyms will depend on the specific context and what the speaker or writer is trying to convey.