WordNet records no synonym and no antonym for dead sea scrolls. 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.
(Old Testament) a collection of written scrolls (containing nearly all of the Old Testament) found in a cave near the Dead Sea in the late 1940s
“the Dead Sea Scrolls provide information about Judaism and the Bible around the time of Jesus”
Synonyms, antonyms and the broader and narrower relations for dead sea scrolls come from Princeton University’s WordNet. Full sources and licences.