Early twenty-first century
2009 is the year between 2008 and 2010.
Like other year numbers, it functions as a noun 2009 was a difficult year or adjective the 2009 recession.
Years are often shortened in speech and casual writing: back in '09.
The number also appears in addresses, model numbers, and other non-temporal contexts.
IDEA.org / Words / 2009
Early twenty-first century
2009 is the year between 2008 and 2010.
Like other year numbers, it functions as a noun 2009 was a difficult year or adjective the 2009 recession.
Years are often shortened in speech and casual writing: back in '09.
The number also appears in addresses, model numbers, and other non-temporal contexts.
1. events — H1N1, Influenza A subtype; bailout (Emergency aid preventing bankruptcy)
2. technology — Android, Google's phone platform; Kindle (Electronic reading tablet); netbook (Compact budget laptop); Hulu (Video streaming platform); touchscreen · 3G · e-reader · Blu-ray · streaming
TEMPORAL DISTANCE2009 ≠ 1909 Four-digit date designation; antiquity · ancient times · prehistory
ECONOMIC CONDITIONS2009 ≠ 1999 Final twentieth-century year; 2007 · boom years · 2019 · 1989 · 2006
POLITICAL TRANSITION2009 ≠ 2017 Calendar year designation; 1981 · 2001 · 1969 · 1953
Word data: Linguabase (CC0) · www.idea.org/words/2009