ambiguous

open to two or more interpretations; or of uncertain nature or significance; or (often) intended to mislead

Doubtful or uncertain, particularly in respect to signification; capable of being understood in either of two or more possible senses; equivocal; as, an ambiguous course; an ambiguous expression.

from Latin ambiguus, meaning 'uncertain' or 'doubtful'

“Dyke, evading the ambiguous fife, 'patriotic as I am, I hope, one thing I confess; I never have yet brought myself to venerate thoroughly our Royal Standard.”

— George Meredith, Complete Project Gutenberg Works of George Meredith

Amara sipped her mint tea at a Beirut café, pondering the ambiguous note from her ex: "I'm back!" It could mean he returned to town or reappeared in her life—or simply that he'd come around to eating hummus again. She smiled, deciding on a visit to the souk for some clarity and spices.

Catarina navigated the narrow lanes of Lalbagh Botanical Garden, where the shadow of an old banyan tree cast patterns that were ambiguous, shifting from a serpent to a dragon with each step she took. The playful breeze made it impossible for her to decide which mythical creature was lurking in the dappled light.

“This can be shown mathematically to result in a system that is ambiguous when context is neglected.”