doubtfully (adv.)
ambiguously, hesitatingly, indistinctly
CE II.i.50[Luciana to Dromio of Ephesus, of Antipholus] Spake he so doubtfully thou couldst not feel his meaning?
Tim IV.iii.122[Timon to Alcibiades, of a baby] Think it a bastard whom the oracle / Hath doubtfully pronounced thy throat shall cut
SHAKESPEARE'S WORDS © 2018 DAVID CRYSTAL & BEN CRYSTAL