40s

See also: 40S, '40s, and 40's

English

Etymology 1

Abbreviated form of 1940s.

Noun

40s (uncountable)

The decade of the 1940s.
Synonyms: 1940s, forties
Temperatures from 40 to 49 degrees.

Alternative forms

'40s
40's

Translations

the decade of the 1940s — see forties

13th century	1200s · 1210s · 1220s · 1230s · 1240s · 1250s · 1260s · 1270s · 1280s · 1290s
14th century	1300s · 1310s · 1320s · 1330s · 1340s · 1350s · 1360s · 1370s · 1380s · 1390s
15th century	1400s · 1410s · 1420s · 1430s · 1440s · 1450s · 1460s · 1470s · 1480s · 1490s
16th century	1500s · 1510s · 1520s · 1530s · 1540s · 1550s · 1560s · 1570s · 1580s · 1590s
17th century	1600s · 1610s · 1620s · 1630s · 1640s · 1650s · 1660s · 1670s · 1680s · 1690s
18th century	1700s · 1710s · 1720s · 1730s · 1740s · 1750s · 1760s · 1770s · 1780s · 1790s
19th century	1800s · 1810s · 1820s · 1830s · 1840s · 1850s · 1860s · 1870s · 1880s · 1890s
20th century	1900s · 1910s · 1920s · 1930s · 1940s · 1950s · 1960s · 1970s · 1980s · 1990s
21st century	2000s · 2010s · 2020s · 2030s · 2040s · 2050s · 2060s · 2070s · 2080s · 2090s
22nd century	2100s · 2110s · 2120s · 2130s · 2140s · 2150s · 2160s · 2170s · 2180s · 2190s
23rd century	2200s · 2210s · 2220s · 2230s · 2240s · 2250s · 2260s · 2270s · 2280s · 2290s
Decade only	00s · 10s · 20s · 30s · 40s · 50s · 60s · 70s · 80s · 90s
	'00s · '10s · '20s · '30s · '40s · '50s · '60s · '70s · '80s · '90s
	00's · 10's · 20's · 30's · 40's · 50's · 60's · 70's · 80's · 90's
	zeros/zeroes or aughts/noughties/oughts · oneties/tens/teens · twenties · thirties · forties · fifties · sixties · seventies · eighties · nineties
Nicknames	Gay Nineties · Naughty Nineties · Roaring Twenties · Dirty Thirties · Swinging Sixties

Etymology 2

Noun

40s

plural of 40 (“bottle of beer”)