spontaneous

pronunciation

How to pronounce spontaneous in British English: UK [spɒnˈteɪniəs]word uk audio image

How to pronounce spontaneous in American English: US [spɑːnˈteɪniəs] word us audio image

  • Adjective:
    happening or arising without apparent external cause
    said or done without having been planned or written in advance
    produced without being planted or without human labor

Word Origin

spontaneous (adj.)
1650s, "occurring without external stimulus," from Late Latin spontaneus "willing, of one's free will," from Latin (sua) sponte "of one's own accord, willingly;" of uncertain origin. Related: Spontaneously; spontaneousness. Used earlier of persons and characters, with a sense "acting of one's own accord" (c. 1200). Spontaneous combustion first attested 1795. Spontaneous generation (the phrase, not the feat) attested from 1650s.

Antonym

adj.

compulsory

Example

1. Below the pagoda a spontaneous , medieval army was massing .
2. What they lack is a sense of spontaneous fun .
3. Chatroulette also spawned a number of clones as the idea of random , spontaneous encounters became popular .
4. Spontaneous detours are sometimes similarly frustrated .
5. Few could remember such spontaneous charity .

more: >How to Use "spontaneous" with Example Sentences