do something spontaneous, go see a film, have a picnic in the park.
spontaneous abortion.
The coupled reaction of electron transfer with H + ejection becomes spontaneous.
These conditions may not sound appealing but they do make the diving more spontaneous as you never know what the shadow above you are.
In contrast, change sometimes unfolds in an apparently spontaneous and unplanned way.
Don't be too organized, keep things spontaneous, but try to see as many of your favorite bands as you can.
This will not be an entirely spontaneous occasion: a program will be compiled about a week ahead.
spontaneous remission, more than four out of five had changed their diet
Questions should be carefully planned but appear spontaneous during the session.
spontaneous outburst from irate players.
Her art, that looks so spontaneous, is intricate.
Although emotions are largely spontaneous, they can be managed to some extent.
Unconstrained and unstudied in manner or behavior.
induced