over·​con·​sci·​en·​tious ˌō-vər-ˌkän(t)-shē-ˈen(t)-shəs How to pronounce overconscientious (audio)
: unduly or excessively conscientious : giving more thoughtful attention to something than is necessary or appropriate
He can be overconscientious about following the rules.
To her overworked and exasperated teachers she was an overconscientious "slow learner" who kept trying to catch up …Tillie Olsen

Word History

First Known Use

1835, in the meaning defined above

Time Traveler
The first known use of overconscientious was in 1835

Dictionary Entries Near overconscientious

Cite this Entry

“Overconscientious.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/overconscientious. Accessed 10 Dec. 2023.

More from Merriam-Webster on overconscientious

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!