Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. spontaneous; voluntary

from the GNU version of the Collaborative International Dictionary of English

  • adj. Spontaneous; voluntary.

from The Century Dictionary and Cyclopedia

  • Spontaneous; voluntary.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Latin ultroneus, from ultro to the further side, on his part, of one's own accord. See ultra-.

Examples

Comments

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  • A pleasing (to me) mirrored inversion of the 5+5 string of vowels and consonants occurs in ultroneous: vcccv/cvvvc

    July 6, 2010

  • This word was chosen as Wordnik word of the day.

    November 11, 2009

  • Spontaneous; voluntary.

    June 8, 2008