noun

czar

tsar, czar, emperor, supremo

The last czar of Russia was Nicholas II.

The last tsar of Russia was Nicholas II.

He was appointed as the new drug czar.

He was appointed as the new drug czar.

czar of ((a place)) a ruler of (a place) The last czar of Russia was Nicholas II.

the [adjective] czar a person in charge of (sth.) He was appointed as the new drug czar.

Synonyms: emperor, ruler, monarch; (figurative) chief, head, boss

From Russian 'tsar'', from Old Slavic 'tsesar', from Gothic 'kaisar', from Latin 'Caesar'.

Connect it to 'Caesar', a famous Roman ruler, to remember its meaning of a powerful leader. The 'tsar' spelling is more common in the UK.

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