A statement that is conjectural is based on information that is not certain or complete.
例句
There is something undeniably conjectural about such claims.這類聲明中有些東西絕對是憑空臆測。
英英詞典釋義
Adjective
1. based primarily on surmise rather than adequate evidence;
"theories about the extinction of dinosaurs are still highly conjectural""the supposed reason for his absence""suppositious reconstructions of dead languages""supposititious hypotheses"