ruler
WordReference English Thesaurus © 2026
Sense: Noun: person who governs
Synonyms:
leader Collocations, head of state, president Collocations, prime minister, premier Collocations, chief executive, chief Collocations, overlord, master Collocations, chancellor, monarch, sovereign Collocations, emperor, prince Collocations, dictator, commander Collocations, manager Collocations, regent, director Collocations, king Collocations, queen Collocations, royal Collocations, top dog , top banana
Sense: Noun: measuring tool
Synonyms:
measuring stick, yardstick, meter stick, metre stick , straightedge