na-adjective
fragmentary; piecemeal; in bits and pieces
Describes information, memories, or accounts that are incomplete and consist of disconnected parts. Often used with nouns like 情報, 記憶, or 話.
彼の話は断片的で、全体像がつかめなかった。
His story was fragmentary, and I couldn't grasp the whole picture.
断片的な情
I can't make a judgment based on fragmentary information alone.