spontaneously

From spontaneous +‎ -ly.

• (Received Pronunciation) IPA^(key): /spɒnˈteɪ.ni.əs.li/

• Audio (Southern England):

  (file)

• (US) IPA^(key): /spɑnˈteɪ.ni.əs.li/

spontaneously (comparative more spontaneously, superlative most spontaneously)

1. In a spontaneous manner; naturally; voluntarily.
   • 1998 May 26, C. Claiborne Ray, “Q&A; Spontaneous Combustion”, in The New York Times‎^[1]:

     The idea that the body could spontaneously ignite was promoted by the 19th-century temperance movement.

• stenopalynous