Synonyms for Furtively:

• adv.

  •all (adverb)
  • on the sly,
  • furtively.
  •covertly (adverb)
  • wildcat,
  • on the quiet,
  • in camera,
  • by stealth,
  • privately,
  • on the qt,
  • under wraps,
  • hush-hush,
  • clandestinely,
  • in holes and corners,
  • stealthily,
  • under cover,
  • sub rosa.
  •secretly (adverb)
  • behind someone's back,
  • in confidence,
  • in strict confidence,
  • intimately,
  • under the table,
  • obscurely,
  • unobserved.
  •slyly (adverb)
  • shrewdly,
  • intelligently.

• Other synonyms:

  •Other relevant words:
  • quietly,
  • secretively,
  • Latently,
  • back,
  • underhandedly,
  • secret,
  • secrecy,
  • guilefully,
  • shiftily,
  • private,
  • cryptically,
  • mysteriously,
  • sneakingly,
  • on the side,
  • underhand,
  • treacherously,
  • covert,
  • Occultly,
  • insidiously,
  • personally,
  • illegally,
  • Esoterically,
  • deviously,
  • privily,
  • fraudulently,
  • trickily,
  • deceitfully,
  • traitorously,
  • sneakily,
  • behind closed doors,
  • hugger mugger,
  • huggermugger,
  • in private,
  • perfidiously,
  • in secret,
  • indirectly,
  • felinely,
  • confidentially,
  • sly,
  • cautiously,
  • Slily,
  • silently.

Antonyms for Furtively:

• adv.

  • covertly
    honestly, Overtly, candidly, publicly, openly, frankly.