Definitions of equivocal:

• adjective:   open to question

  Example: "Aliens of equivocal loyalty"

• adjective:   uncertain as a sign or indication

  Example: "The evidence from bacteriologic analysis was equivocal"

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

  Example: "An equivocal statement"