By accident
Unwatchful and by accident are semantically related. In some cases you can use "Unwatchful" instead an adverb phrase "By accident".
Unwatchful
Unwatchful adjective - Not alert to what is potentially dangerous.
By accident and unwatchful are semantically related. Sometimes you can use "By accident" instead an adverb "Unwatchful".
Mutual synonyms
Cite this Source
Unwatchful and By accident. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/by_accident/unwatchful
By accident & Unwatchful. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/by_accident/unwatchful>.
Unwatchful or By accident. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/by_accident/unwatchful.
Google Ngram Viewer shows how "by accident" and "unwatchful" have occurred on timeline