Meaning
The ordinal form of the number eighteen.
Etymology
Origin: Old English
Inherited from Middle English eightetenthe, eightetethe, from Old English eahtatēoþa, from Proto-Germanic *ahtudô tehundô. Equivalent to eighteen + -th (ordinal suffix).
Synonyms & Antonyms
Synonyms
XVIII18thXVIIIth
NYT Puzzle Appearances
Accepted in 3 recorded puzzles: