equivocal

adjectives

open to two or more interpretations; or of uncertain nature or significance; or (often) intended to mislead
"an equivocal statement"; "the polling had a complex and equivocal (or ambiguous) message for potential female candidates"; "the officer's equivocal behavior increased the victim's uneasiness"; "popularity is an equivocal crown"; "an equivocal response to an embarrassing question"
is derived from
antonym
open to question
"aliens of equivocal loyalty"; "his conscience reproached him with the equivocal character of the union into which he had forced his son"-Anna Jameson
is similar to
subject to question
"questionable motives"; "a questionable reputation"; "a fire of questionable origin"
uncertain as a sign or indication
"the evidence from bacteriologic analysis was equivocal"
is similar to
not conclusive; not putting an end to doubt or question
"an inconclusive reply"; "inconclusive evidence"; "the inconclusive committee vote"