Definition for Spontaneously:

• without advance preparation; " he spoke ad lib"

Synonyms for Spontaneously:

• adj.

  •freely (adjective)
  • at one's discretion,
  • purposely,
  • of one's own accord,
  • without urging,
  • frankly,
  • at will,
  • advisedly,
  • as you please,
  • at discretion,
  • candidly,
  • without hindrance,
  • deliberately,
  • without prompting,
  • unchallenged,
  • fancy-free,
  • unreservedly,
  • plainly,
  • openly,
  • of one's own free will,
  • without reserve,
  • designedly,
  • at one's pleasure,
  • more advisedly,
  • at pleasure,
  • without restraint,
  • of one accord,
  • more willingly,
  • intentionally,
  • of own accord.

• a. & adv.

  •ad libitum (adjective, adverb)
  • impulsive,
  • improvised,
  • according to pleasure,
  • as one wishes,
  • made-up,
  • offhand,
  • off-the-cuff,
  • as one thinks best,
  • unrehearsed,
  • extemporaneous.

• adv

  •ad-lib (adverb)
  • ADLIB,
  • off top of head.
  •extemporaneously (adverb)
  • on spur of moment,
  • on spur of the moment.

• adv.

  •ad-lib (adverb)
  • spontaneously,
  • off the cuff,
  • off the top of one's head,
  • without rehearsal,
  • without preparation,
  • extempore,
  • off the top of head.
  •ad libitum (adverb)
  • as thinks best,
  • madeup,
  • un-rehearsed,
  • as wishes.
  •extemporaneously (adverb)
  • haphazardly,
  • improvisationally.
  •spontaneously (adverb)
  • impromptu,
  • impulsively.
  •voluntarily (adverb)
  • with all one's heart.

• n.

  •
  • automatically,
  • unconsciously,
  • directly.
  •
  • willing.

• Other synonyms:

  •
  • willfully.
  •
  • willingly.
  •ad-lib
  • ad lib.

Paraphrases for Spontaneously:

• Independent

  • Adverb
    automatically, willingly, naturally, readily, freely, immediately, proactively, concurrently.

• Other Related

  • Adverb
    voluntarily.

Spontaneously Sentence Examples:

• At night the town was spontaneously illuminated.

• The reading will then conclude with twenty thousand voices spontaneously calling for the hero, who must rise with great gravity, and, having surveyed the dilapidated throng, proceed to respond in a speech of at least half an hour long.