ambiguous; polysemous; equivocal
Describes words, phrases, or statements that have multiple possible meanings or interpretations. Often used in linguistic or analytical contexts.
この表現は多義的で、文脈によって意味が変わる。
This expression is ambiguous; its meaning changes depending on the context.
多義的な単語は辞書で複数の定義が載っている。
Polysemous words have multiple definitions in the dictionary.
Compound of 多 (many) + 義 (meaning) + 的 (adjectival suffix). The exact historical derivation is uncertain, but the components clearly indicate 'having many meanings'.