tyrant
[noun]
Synonyms: dictator, absolutist, authoritarian, autocrat, bully, despot, martinet, oppressor, slave-driver

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Related Idioms: man on horseback
Related Words: autocrat, totalitarian

[TahlilGaran] English Synonym Dictionary ▲

ty‧rant /ˈtaɪərənt $ ˈtaɪr-/ noun [countable]
[Date: 1200-1300; Language: Old French; Origin: tyran, tyrant, from Latin tyrannus, from Greek tyrannos]

1. a ruler who has complete power and uses it in a cruel and unfair way:
The country had long been ruled by tyrants.

2. someone who has power over other people, and uses it cruelly or unfairly:
My headmaster was a real tyrant.

[TahlilGaran] Dictionary of Contemporary English ▲

tyrant
noun
ADJ. cruel, great | petty Some of the prison officers were petty tyrants.
VERB + TYRANT overthrow
TYRANT + VERB rule sth The country had long been ruled by tyrants.
PREP. under a/the ~ The kings of Sparta would not serve under the tyrants of Syracuse.

[TahlilGaran] Collocations Dictionary ▲