a cardinal number, 60 plus 6.
a symbol for this number, as 66 or LXVI.
a set of this many persons or things.
a card game that is played by two players with a 24-card pack made by removing all cards below the nines from a regular 52-card pack, the object being to score 66 points before one's opponent.


amounting to 66 in number.

Nearby words

  1. sixty-ninth,
  2. sixty-one,
  3. sixty-second,
  4. sixty-seven,
  5. sixty-seventh,
  6. sixty-sixth,
  7. sixty-third,
  8. sixty-three,
  9. sixty-two,
  10. sixtyfold Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sixty-six