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. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sixty-six

Contemporary Examples of sixty-six

Historical Examples of sixty-six

  • Round and round it goes, and every time it goes round, sixty-six people die.

    Things as They Are

    Amy Wilson-Carmichael

  • Last week I stood in a house where another of those sixty-six had passed.

    Things as They Are

    Amy Wilson-Carmichael

  • To be exact, it is sixty-six miles from the former city and two hundred from the latter.

    Aztec Land

    Maturin M. Ballou

  • The text is printed in two columns with sixty-six lines to a column.

    The Facts About Shakespeare

    William Allan Nielson

  • Columbus sailed with three ships, the largest sixty-six feet long.

    Evening Round Up

    William Crosbie Hunter