Carelessness
Carelessness noun - Failure to take the care that a cautious person usually takes.
Lightheartedness and carelessness are semantically related. In some cases you can use "Lightheartedness" instead a noun "Carelessness".
Lightheartedness
Lightheartedness noun - Carefree freedom from constraint.
Usage example: he approaches his medical duties with a lightheartedness that some patients find disturbing
Carelessness and lightheartedness are semantically related. Sometimes you can use "Carelessness" instead a noun "Lightheartedness".
Mutual synonyms
Cite this Source
Lightheartedness and Carelessness. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/carelessness/lightheartedness
Carelessness & Lightheartedness. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/carelessness/lightheartedness>.
Lightheartedness or Carelessness. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/carelessness/lightheartedness.
Google Ngram Viewer shows how "carelessness" and "lightheartedness" have occurred on timeline