WordNet records no synonym and no antonym for bill of particulars. It is the only member of its synset, which is common for technical, taxonomic and single-sense vocabulary — there is no other English word that means the same thing. The broader and narrower terms below are the useful relations in that case.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
the particular events to be dealt with in a criminal trial; advises the defendant and the court of the facts the defendant will be required to meet
Synonyms, antonyms and the broader and narrower relations for bill of particulars come from Princeton University’s WordNet. Full sources and licences.