ambiguous

“Possibly,” said he, with an ambiguous half smile, which I did not understand.

Such are the modes in which propositions and terms may be ambiguous.'

His ambiguous, loose talk, only perplexed and alarmed her; the explanation was none at all.

A cold, ambiguous smile was the only reply he received to this speech.

There is cited the case of a negro arrested on an ambiguous charge.

At the end, he has an ambiguous and temporary knowledge of names and events.

The words in italics are unnecessary, since what is ambiguous is unintelligible.

Sometimes he does say ambiguous things that I can't understand.

It was an ambiguous voice, a voice with double chords in it, so to speak.

Nash was an ambiguous character but an excellent touchstone.