由よしありげ

na-adjective

meaningful; suggestive; seeming to have a story

Archaic adjectival noun describing someone or something that appears to have a hidden past, deep meaning, or circumstances that are hard to explain. Rare in modern Japanese; mostly encountered in older literature.

• 彼かれの微笑ほほえみは由よしありげで、何なにか秘ひ密みつがあるように見みえた。

  His smile was suggestive, as if he had some secret.

• その古ふるい屋や敷しきは由よしありげな雰ふん囲い気きを漂ただよわせていた。

  The old mansion had an atmosphere that seemed to be with a history.