nineteen

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

4. amounting to nineteen in number.

Idioms

5. talk nineteen to the dozen, to talk very rapidly or vehemently: Whenever I’m excited I talk nineteen to the dozen.

noun

1. the cardinal number that is the sum of ten and nine and is a prime numberSee also number (def. 1)
2. a numeral, 19, XIX, etc, representing this number
3. something represented by, representing, or consisting of 19 units
4. talk nineteen to the dozen to talk incessantly

determiner

5. 1. amounting to nineteennineteen pictures
   2. (as pronoun)only nineteen voted

n.

late Old English nigontene (Anglian), nigontyne (West Saxon); see nine + -teen.