Definitions

1. noun

the number 19; 19 units or items

“I have nineteen books in my collection.”

2. adjective

being nineteen years old; nineteen years old

“The teenager was nineteen and looking for a job.”

3. adverb

used in combination with numerals to form numbers over nineteen

“The address was nineteen A.”

4. pronoun

used in combination with numerals to form numbers over nineteen

“The bus stops at nineteen and nineteen A.”