Equivocal (adjective)

1. Open to more than one interpretation; ambiguous.
2. Open to different interpretations or having a double meaning; unclear.

Origin:

From the latin word aequivocus, which means "of equal voice, ambiguous".

Examples:

1. The statement was equivocal and left much open to interpretation.
2. The answer was equivocal, and I was unsure of what was meant.
3. The statement was equivocal and left me confused.
4. His statement was equivocal and could be interpreted in different ways.
5. The statement was equivocal and gave rise to many questions.