| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024spon•ta•ne•ous /spɑnˈteɪniəs/USA pronunciation adj. - resulting from a natural impulse or tendency:spontaneous applause during the performance.
- (of a person) acting upon sudden impulses:She's very spontaneous: she'll come right up and give you a hug if she feels like it.
- (of natural events) caused by forces within something:Spontaneous combustion was the cause of the fire.
spon•ta•ne•i•ty /ˌspɑntəˈniɪti, -ˈneɪ-/USA pronunciation n. [uncountable] spon•ta•ne•ous•ly, adv. WordReference Random House Unabridged Dictionary of American English © 2024spon•ta•ne•ous (spon tā′nē əs),USA pronunciation adj. - coming or resulting from a natural impulse or tendency;
without effort or premeditation;
natural and unconstrained;
unplanned:a spontaneous burst of applause. - (of a person) given to acting upon sudden impulses.
- (of natural phenomena) arising from internal forces or causes;
independent of external agencies;
self-acting. - Botanygrowing naturally or without cultivation, as plants and fruits;
indigenous. - produced by natural process.
- Late Latin spontāneus, equivalent. to Latin spont(e) willingly + -āneus (-ān(us) -an + -eus -eous)
- 1650–60
- 1.See corresponding entry in Unabridged unpremeditated, free. See automatic, voluntary.
- 1.See corresponding entry in Unabridged premeditated.
Collins Concise English Dictionary © HarperCollins Publishers:: spontaneous /spɒnˈteɪnɪəs/ adj - occurring, produced, or performed through natural processes without external influence
- arising from an unforced personal impulse; voluntary; unpremeditated
- (of plants) growing naturally; indigenous
Etymology: 17th Century: from Late Latin spontāneus, from Latin sponte voluntarilysponˈtaneously adv sponˈtaneousness n |