Antonyms of noun observance

1 of 4 senses of observance

Sense 4
honoring, observance -- (conformity with law or custom or practice etc.)
       Antonym of nonobservance (Sense 1)
      => nonobservance -- (a lack of conformity with law or custom or practice etc.)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun observance

4 senses of observance

Sense 1
observation, observance, watching -- (the act of observing; taking a patient look)
       => look, looking, looking at -- (the act of directing the eyes toward something and perceiving it visually; "he went out to have a look"; "his look was fixed on her eyes"; "he gave it a good looking at"; "his camera does his looking for him")

Sense 2
ceremony, ceremonial, ceremonial occasion, observance -- (a formal event performed on a special occasion; "a ceremony commemorating Pearl Harbor")
       => affair, occasion, social occasion, function, social function -- (a vaguely specified social event; "the party was quite an affair"; "an occasion arranged to honor the president"; "a seemingly endless round of social functions")

Sense 3
notice, observation, observance -- (the act of noticing or paying attention; "he escaped the notice of the police")
       => attention, attending -- (the process whereby a person concentrates on some features of the environment to the (relative) exclusion of others)

Sense 4
honoring, observance -- (conformity with law or custom or practice etc.)
       => conformity, conformation, compliance, abidance -- (acting according to certain accepted standards; "their financial statements are in conformity with generally accepted accounting practices")