eighteen

eigh-teen · numeral/noun

imported

Definitions

numeral/noun

  1. 1.

    The number equivalent to the sum of ten and eight; one more than seventeen; 18.

  2. 2.

    The number eighteen or a symbol representing it.

  3. 3.

    Something identified by the number eighteen, such as a playing card or jersey number.

Forms

plural: eighteens

Phrases & expressions

  • •
    eighteen-wheeler — a large truck with eighteen wheels
  • •
    turn eighteen — reach the age of legal adulthood

Related words

See also: eight, eighty, teen
Synonyms: XVIII

Etymology

From Old English eahtatīene, from eahta ("eight") + tīene ("ten").