a ceremonial purification of the Roman population every five years following the census
What does "Lustrum" mean?
Lustrum — a ceremonial purification of the Roman population every five years following the census
This word was featured as our Word of the Day on March 26, 2026. Try to guess the meaning of a new obscure word every day at The Dictionary Game.
25%got it right
Learn more words like "Lustrum"
Every day we feature a rare or forgotten English word, explain what it means and where it came from, then let you guess it in the game. Reading a definition once rarely sticks — guessing it does.