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Lustrum

7 lettersnounrare

Updated June 2026

Definition

A period of five years, derived from the ancient Roman purification ceremony performed at five-yearly intervals.

The architect scheduled a full structural review at the end of each lustrum.

Pronunciation

Syllables

lus·trum

Related Words

Synonyms

quinquenniumfive-year period

Word Game Tips

🟩

Wordle

Ends in the unusual -RUM cluster and the LUST- root may mislead guessers unfamiliar with the real meaning

🔤

Scrabble

M at the end scores two points and works well on a double-letter square, with -RUM endings being rare on the board

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