This shows grade level based on the word's complexity.
lustrum
[ luhs-truhm ]
/ ˈlʌs trəm /
Save This Word!
This shows grade level based on the word's complexity.
noun, plural lus·trums, lus·tra [luhs-truh]. /ˈlʌs trə/.
a period of five years.
Roman History. a lustration or ceremonial purification of the people, performed every five years, after the taking of the census.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachImprove Your Writing
Origin of lustrum
First recorded in 1580–90; from Latin lūstrum; cf. luster1
Words nearby lustrum
lustrate, lustre, lustreware, lustring, lustrous, lustrum, lusty, lusus naturae, Lü-ta, lutanist, Lut Desert
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
How to use lustrum in a sentence
British Dictionary definitions for lustrum
lustrum
lustre
/ (ˈlʌstrəm) /
noun plural -trums or -tra (-trə)
a period of five years
Word Origin for lustrum
C16: from Latin: ceremony of purification, from lustrāre to brighten, purify
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012