Definition of sixty-six

 (Entry 1 of 3)

: being one more than 65 in number sixty-six years — see Table of Numbers
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Definition of sixty-six (Entry 2 of 3)

: 66 countable persons or things not specified but under consideration and being enumerated sixty-six are here sixty-six were found


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Definition of sixty-six (Entry 3 of 3)

1 : six and 60 : three times 22 : six times 11
2a : 66 units or objects a total of sixty-six
b : a group or set of 66
3 : the numeral quantity symbolized by the arabic numerals 66
4 : the 66th in a set or series
5 : a two-hand card game played with a 24-card pack in which the object is to score 66 of a possible 130 points

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to spread over or through

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