nineteen

American  

[nahyn-teen] / ˈnaɪnˈtin /

noun

1. a cardinal number, ten plus nine.

2. a symbol for this number, as 19 or XIX.

3. a set of this many persons or things.

---

adjective

1. amounting to nineteen in number.

idioms

1. talk nineteen to the dozen, to talk very rapidly or vehemently.

   Whenever I'm excited I talk nineteen to the dozen.

nineteen British  

/ ˌnaɪnˈtiːn /

noun

1. the cardinal number that is the sum of ten and nine and is a prime number See also number

2. a numeral, 19, XIX, etc, representing this number

3. something represented by, representing, or consisting of 19 units

4. to talk incessantly

---

determiner

1. 1. amounting to nineteen

      nineteen pictures

   2. ( as pronoun )

      only nineteen voted

Etymology

Origin of nineteen

before 1000; Middle English nintene, Old English nigontȳne. See nine, -teen

Example Sentences

Nineteen states have adopted similar legislation aimed at ending the twice-yearly clock change, but these measures cannot take effect without congressional action.

From Los Angeles Times • Mar. 7, 2026

Nineteen participants were treated at hospitals in the United Kingdom.

From Science Daily • Mar. 4, 2026

Nineteen seconds is a long time to go back to disallow a goal in the Premier League.

From BBC • Feb. 1, 2026

Nineteen states raised their minimum wage starting this month, providing a pay bump to an estimated 8.3 million workers.

From The Wall Street Journal • Jan. 6, 2026

The place was always filled with rumors but this time they grew out of the Room Nineteen incident.

From "The Chocolate War" by Robert Cormier