Definition

1. Adjective:
   • Coming next after the tenth and just before the twelfth in position: Used to describe the ordinal number corresponding to the number 11 in a sequence.
2. Noun:
   • Position 11 in a countable series of things: The item, person, or point that occupies the number 11 spot in an ordered list.
   • One of eleven equal parts of something: A fraction equal to one part out of eleven.

Usage and Examples

• Adjective:
  • She finished in eleventh place in the race.
  • We are studying the eleventh chapter of the book.
• Noun (Position):
  • He was the eleventh to arrive at the meeting.
  • The event is scheduled for the eleventh of November.
• Noun (Fraction):
  • An eleventh of the total revenue was allocated to research.
  • Approximately an eleventh of the population was surveyed.

Advanced Usage and Idioms

• At the eleventh hour: At the last possible moment; just before it is too late.
  • The agreement was reached at the eleventh hour, avoiding a major crisis.
  • He submitted his application at the eleventh hour.

Variants and Related Words

• Eleventhly (adverb): Used to introduce the eleventh point in a list or argument.
  • Eleventhly, we must consider the long-term environmental impact.

Synonyms

• 11th (adj, n): The numeric abbreviation.
• Penultimate before the twelfth (adj): A descriptive synonym emphasizing its position (though less common).

Notes on Different Meanings

• The primary meaning is ordinal (position in a sequence).
• The fractional meaning (one of eleven equal parts) is derived from this ordinal sense but functions as a distinct noun.
• The idiomatic expression "at the eleventh hour" is a fixed phrase where "eleventh" does not literally refer to the 11th hour of a clock but symbolizes the very last moment.

Adjective

1. coming next after the tenth and just before the twelfth in position

Noun

1. position 11 in a countable series of things