lustro
Spanish, noun
lustro is spelled L-U-S-T-R-O (6 letters) and appears about once in every 1 million words in written Spanish, the 42,307th most frequent Spanish word form (wordfreq, 2021 data). Lustro is a Spanish masculine noun meaning “lustrum; five-year period” (English Wiktionary, September 2026). It is also a first-person singular present indicative of lustrar. With an accent, lustró is a different word: “third-person singular preterite indicative of lustrar”. The Spanish Wiktionary (Wikcionario) defines it as “Espacio de tiempo de cinco años”.
What does lustro mean in English?
noun
- 1
masculinelustrum; five-year period
verb
- 1
first-person singular present indicative of lustrar
verb
- 1
third-person singular preterite indicative of lustrar
Source: English Wiktionary, Spanish section, dump of September 2, 2026 (CC BY-SA 4.0).
How Spanish dictionaries define it
noun: 1. Espacio de tiempo de cinco años.
The definition in the Spanish Wiktionary (Wikcionario), in Spanish.
Source: Spanish Wiktionary (Wikcionario), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of lustro
- lustros plural
Source: English Wiktionary and Spanish Wiktionary (Wikcionario) (dumps of September 2, 2026 and September 1, 2026).
How common is lustro in Spanish?
lustro appears about once in every 1 million words in written Spanish.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).