spontaneous

Word family

spon·ta·ne·ous /spɒnˈteɪniəs $ spɑːn-/ adjectiveadj

1 PLAN#something that is spontaneous has not been planned or organized, but happens by itself, or because you suddenly feel you want to do it 自發的，自然而生的；一時沖動的

The crowd gave a spontaneous cheer.

人群自發地歡呼起來。

My spontaneous reaction was to run away.

我的本能反應就是逃跑。

2. someone who is spontaneous does things without planning them first – used to show approval 天真率直的，率性的〔含褒義〕

—spontaneously adverbadv

She laughed spontaneously.

她不由得笑了。

—spontaneity /ˌspɒntˈniːəti, -ˈneɪəti $ ˌspɑːn-/ noun [uncountableU]

Examples from the Corpus

spontaneous• I'm trying to be more spontaneous.• The invitation was completely spontaneous.• Furthermore, once initiated, the combustion of methane gas at 25°C is very spontaneous.• The group was greeted by spontaneous applause.• The crowd gave a spontaneous cheer when the news was announced.• People believe that behaviour is best left to natural, spontaneous expression.• The isotope U-235 is unstable, decaying by a process called spontaneous fission.• an act of spontaneous generosity• There were songs and testimonies, spontaneous sermons and exhortations, joyous shouts and prayers punctuated by sobs and tears.• The way he told the story, it sounded as if both happened with raw, spontaneous simultaneity.• He suggests that whereas spontaneous speech invokes the child's own realisation rules, imitation does not.

Origin spontaneous

(1600-1700) Late Latin spontaneus, from Latin sponte “of your own free will”

spon·ta·ne·ous adjectiveadj

Syllable

Corpus

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