ANNUL', verb transitive [Latin ad nullum, to nothing.] 1. To make void; to nullify; to abrogate; to abolish; used appropriately of laws, decrees, edicts, decisions of courts, or other established rules, permanent usages, and the like, which are made void by competent authority. 2. To reduce to nothing; to obliterate. [Not is much use.]
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI