plural fours
1
: the number 4
2
: the fourth in a set or series
the four of hearts
3
: four o'clock
"What time is it?" "It's four."
I leave each day at four.
Cite this Entry
“Four.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/four. Accessed 1 Jul. 2026.
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