seventies Definition

1. The period of time between one's seventieth and eightieth birthdays.

Example: John is in his seventies
Form: one's seventies
2. The range of temperatures between seventy and eighty degrees.

Example: It must be in the seventies today
3. The period of time between the seventieth and eightieth years of a century. Also as adj.

Example: born in the seventies
Example: I love seventies music

1a. The cardinal number 70;
1b. The quantity that this represents, being one more than sixty-nine, or the product of ten and seven.
2. Any symbol for this, eg 70 or LXX. Also in compounds, forming adjectives and nouns, with cardinal numbers between one and nine.

Example: seventy-two
3. The age of seventy.
4. A set or group of seventy people or things.
5. A score of seventy points.

1. Totalling seventy. Also in compounds, forming adjectives and nouns, with ordinal numbers between first and ninth.

Example: seventy-second
2. Aged seventy. See also seventies, seventieth.