The cardinal number occurring after fifty-nine and before sixty-one, represented in Roman numerals as LX and in Arabic numerals as 60.

The decade of the 1860s, 1960s, etc. (but especially the 1960s) / (US) A period in American history centered around the counterculture movement of the late 1960s.

Alternative letter-case form of Sixties (The decade of the 1860s, 1960s, etc.) / The decade of one's life from age 60 through age 69. / (temperature, rates, plural only) The range between 60 and 69.

plural of sixty

From or evoking the 61st through 70th years of a century (chiefly the 1960s).

The ordinal form of the number sixty-four, describing a person or thing in position number 64 of a sequence.

One of sixty-four equal parts of a whole.

The ordinal form of the number sixty-two, describing a person or thing in position number 62 of a sequence. / Lasting sixty seconds.

One of sixty-two equal parts of a whole.

Third-person singular simple present indicative form of sixty-nine