Definition of decade
1 : a group or set of 10 his prisoners were divided into decades — William Godwin: such asa : a period of 10 years has been teaching for over a decade the decade of the twentiesb Roman Catholicism : a division of the rosary that consists primarily of 10 Hail Marys
2 mathematics : a ratio of 10 to 1 : order of magnitude
decadalplay \ˈde-kə-dəl\ adjective
Examples of decade in a Sentence
The war lasted nearly a decade.
The bridge was built a decade ago.
The decade of the 1920s runs from January 1, 1920 to December 31, 1929.
the first decade of the 21st century
There have been a lot of changes during the past two decades.
Recent Examples of decade from the Web
The Cyprus documents detail transactions that occurred in 2012 and 2013, during the peak of Mr. Manafort’s decade-long tenure as a political consultant and investor in the former Soviet republic, where his past work remains a source of controversy.
In a state where the last conviction of a police officer was more than four decades ago, the indictment of Roy Oliver isn't enough for those seeking justice.
Decades later, the setting for the meeting — Crimea — would provide some irony.
The Russian flirtation with democracy lasted less than a decade.
These are issues requiring social reform, ideas which have been touted by black activists in the city for decades, which are now being led in the Trump era by Windy City activist groups like Assata's Daughters and the Chicago chapter of BYP100.
There have been projections in opera for decades, since the early 1990s.
Boubert suspects this theory will be met with some skepticism after a decade of research based on the leading assumption.
Many Mizrahi Jews still hold a grudge against Labor because of discrimination their parents or grandparents faced decades ago.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'decade.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
DECADE Defined for English Language Learners
Definition of decade for English Language Learners
: a period of 10 years; especially : a 10-year period beginning with a year ending in 0
DECADE Defined for Kids
Definition of decade for Students
: a period of ten years
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