fifty Definition

fifty
noun fifties

1a. The cardinal number 50;
1b. The quantity that this represents, being one more than forty-nine, or the product of ten and five.
2. Any symbol for this, eg 50 or L. Also in compounds, forming adjectives and nouns, with cardinal numbers between one and nine.

Example: fifty-six
3. The age of fifty.
4. Something, especially a garment, or a person, whose size is denoted by the number 50.
5. A set or group of fifty people or things.
6. A score of fifty points.

adj

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

Example: fifty-fourth
2. Aged fifty. See also fifties, fiftieth.

Etymology: Anglo-Saxon fiftig; see five + -ty.