Synonyms for Questionably:

• adv.

  •doubtfully (adverb)
  • irresolutely,
  • dubiously,
  • problematically,
  • suspiciously,
  • askance.
  •tentatively (adverb)
  • undecidedly.
  •uncertainly (adverb)
  • ambivalently,
  • controversially,
  • disputably,
  • vaguely,
  • contestably,
  • debatably,
  • arguably,
  • unsurely.
  •unreliably (adverb)
  • undependably,
  • unreliably,
  • untrustworthily.

• Other synonyms:

  •Other relevant words:
  • incredibly,
  • Dubitably,
  • shakily,
  • unbelievably,
  • mistrustfully,
  • Fallibly,
  • funnily,
  • mysteriously,
  • fishily,
  • strangely,
  • contentiously,
  • fantastically,
  • doubtfully,
  • precariously,
  • equivocally,
  • Shadily,
  • improbably.

Antonyms for Questionably:

• adv.

  • tentatively
    certainly, definitely, surely.