Impromptu
Impromptu adjective - Made or done without previous thought or preparation.
Reckless
Reckless adjective - Having or showing a lack of concern for the consequences of one's actions.
Impromptu and reckless are semantically related. Sometimes you can use "Impromptu" instead an adjective "Reckless".
Nearby Words: recklessness, recklessly
Mutual synonyms
Related pairs
- impulsive and impromptu
- impulsive and reckless
- uncontrolled and impromptu
- uncontrolled and reckless
- impetuous and impromptu
- impetuous and reckless
- rash and impromptu
- rash and reckless
- precipitous and impromptu
- precipitous and reckless
- precipitate and impromptu
- precipitate and reckless
- hasty and impromptu
- hasty and reckless
Both words in one sentence
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Driven: The scene of the main characters having an impromptu grudge match in their race cars through the evening Chicago rush hour; Not only would the average race driver be fired for such a reckless stunt but they certainly wouldn't be able to use their regular car.
Source: Artistic License Sports
Cite this Source
Reckless and Impromptu. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/impromptu/reckless
Impromptu & Reckless. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/impromptu/reckless>.
Reckless or Impromptu. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/impromptu/reckless.
Google Ngram Viewer shows how "impromptu" and "reckless" have occurred on timeline