ultrafastidious
adjective
ul·tra·fas·tid·i·ous
ˌəl-trə-fa-ˈsti-dē-əs 
-fə-
: extremely or extraordinarily fastidious (as in attention to neatness or detail)
an ultrafastidious worker/dresser/housekeeper
… an ultrafastidious reconstruction of the 1969 show …—
Holland Cotter
Holland CotterCite this Entry
“Ultrafastidious.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultrafastidious. Accessed 24 Jul. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share