Antonyms of adj quotidian

1 sense of quotidian

Sense 1
everyday, mundane, quotidian, routine, unremarkable, workaday -- (found in the ordinary course of events; "a placid everyday scene"; "it was a routine day"; "there's nothing quite like a real...train conductor to add color to a quotidian commute"- Anita Diamant)

INDIRECT (VIA ordinary) -> extraordinary -- (beyond what is ordinary or usual; highly unusual or exceptional or remarkable; "extraordinary authority"; "an extraordinary achievement"; "her extraordinary beauty"; "enjoyed extraordinary popularity"; "an extraordinary capacity for work"; "an extraordinary session of the legislature")

Similarity of adj quotidian

1 sense of quotidian

Sense 1
everyday, mundane, quotidian, routine, unremarkable, workaday -- (found in the ordinary course of events; "a placid everyday scene"; "it was a routine day"; "there's nothing quite like a real...train conductor to add color to a quotidian commute"- Anita Diamant)
       => ordinary (vs. extraordinary) -- (not exceptional in any way especially in quality or ability or size or degree; "ordinary everyday objects"; "ordinary decency"; "an ordinary day"; "an ordinary wine")