Definition for spontaneous


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Example Sentences

Because most people don’t make totally spontaneous decisions about where to go or eat — some amount of forethought or planning is typically involved — it will be interesting to see how this feature gets used and evolves.

Deactivation of lateral PFC regions is associated with free-floating, defocused attention, allowing spontaneous associations between ideas to arise, and sudden realizations or insights to occur.

Not surprisingly, the frontal regions of the brain that have been shown to be involved in time perception and impulse control are also involved in spontaneous creativity.

In nature, any spontaneous flow between two reservoirs can be harvested to produce power.

Other times, culture emerges by accident, the product of a million spontaneous actions that over time become habits—for better or worse.

From Fortune

The premise of the sketch was that sex was too spontaneous to be regulated, and the quiz show played that idea to the hilt.

Trying to be ordinary, plain-spoken, and spontaneous made it worse.

Odds against chance in a review of spontaneous telepathy studies have been calculated, Radin says, at “22 billion to 1.”

Israelis have also waged a psy-war on Hamas, albeit more informal and spontaneous.

New York in the 1920s was iridescent, and its boom was spontaneous.

Perhaps his almost perfectly spontaneous love of tiny flowers is already a considerable advance on his so-called prototype.

Yet I think if we observe closely we shall detect traces of a spontaneous impulse towards self-adornment.

Spontaneous gaiety was gone out of his cousin, whose attempts to be his normal self became forced and unsuccessful.

In a strict sense, of course, no child's drawing is absolutely spontaneous and independent of external stimulus and guidance.

As far as possible I have sought spontaneous drawings of quite young children, viz., from between two and three to about six.

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On this page you'll find 98 synonyms, antonyms, and words related to spontaneous, such as: casual, impromptu, instinctive, offhand, simple, and unplanned.

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.