Polysemous
Part of speech: adjective
Definition: Having multiple meanings or interpretations.
Ambiguous
Part of speech: adjective
Definition: Open to multiple interpretations.Vague and unclear.Of persons: hesitant; uncertain; not taking sides.
Example sentence: I think the best endings bring you back in rather than close things off with absolute finality. I'm not saying they necessarily have to be ambiguous, but we don't always need to know what happens when everyone wakes up tomorrow morning.