Synonyms for monarch

Noun

1. sovereign, crowned head, monarch, ruler, swayer, head of state, chief of state

usage: a nation's ruler or head of state usually by hereditary right

2. monarch, monarch butterfly, milkweed butterfly, Danaus plexippus, danaid, danaid butterfly

usage: large migratory American butterfly having deep orange wings with black and white markings; the larvae feed on milkweed