decade.
A group, set, or series of ten , particularly
Meaning & usage
A group, set, or series of ten , particularly
a decade of soldiers
A group, set, or series of ten A period of ten years , particularly such a period beginning with a year ending in 0 and ending with a year ending in 9.
The 1960s was a turbulent decade.
I haven’t seen my cousin in over a decade!
A group, set, or series of ten A period of ten days, particularly those in the ancient Egyptian, Coptic, and French Revolutionary calendars.
A group, set, or series of ten A work in ten parts or books, particularly such divisions of Livy's History of Rome.
A group, set, or series of ten A series of prayers counted on a rosary, typically consisting of an Our Father, followed by ten Hail Marys, and concluding with a Glory Be and sometimes the Fatima Prayer.
A group, set, or series of ten Any of the sets of ten sequential braille characters with predictable patterns.
A group, set, or series of ten A set of ten electronic devices used to represent digits.
A set of resistors, capacitors, etc. connected so as to provide even increments between one and ten times a base electrical resistance.
The interval between any two quantities having a ratio of 10 to 1.
There are decades between 1.8 and 18, between 25 and 250 and between 0.03 and 0.003.
Where this word comes from
From Middle English decade, from Old French decade, from Late Latin decādem (“(set of) ten”), from Ancient Greek δεκάς (dekás), from δέκα (déka, “ten”). In reference to a span of ten years, originally a clipping of the phrase decade of years. By surface analysis, dec- + -ade. Doublet of decad and dekad.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.