Definition

1. Adjective:
   • Not having a date; undated: Refers to something, typically a document, letter, or event, that does not have a specific date recorded on it.
   • Timeless; eternal; not affected by the passage of time: Describes something that seems to exist outside of time, remaining unchanged, relevant, or beautiful across ages.
   • Having no known beginning or end; seemingly endless: Used to describe natural phenomena or abstract concepts that appear to be perpetual.

Usage Examples

• Adjective:
  • The archivist found a dateless manuscript in the collection. (The archivist found an undated manuscript in the collection.)
  • Shakespeare's plays have a dateless quality that continues to resonate. (Shakespeare's plays have a timeless quality that continues to resonate.)
  • The dateless rhythm of the ocean waves is calming. (The endless rhythm of the ocean waves is calming.)

Advanced Usage

• In a figurative or poetic sense: Often used to emphasize the eternal or classic nature of an idea, work of art, or feeling.
  • Their love felt dateless, as if it had always existed. (Their love felt eternal, as if it had always existed.)

Variants and Related Words

• Dated (adj.): Marked with a date; belonging to a specific past period and often seeming old-fashioned.
  • His views on the subject are rather dated. (His views on the subject are rather old-fashioned.)
• Timeless (adj.): Not affected by the passage of time; eternal. (This is a close synonym for one meaning of "dateless".)

Synonyms

• Undated: Not marked with a date.
• Timeless: Eternal, ageless, perennial.
• Endless: Infinite, perpetual, sempiternal.

Antonyms

• Dated: Having a date; old-fashioned.
• Ephemeral: Lasting for a very short time.
• Temporal: Relating to time as opposed to eternity.

Related Idioms or Phrases

• A dateless bargain: (Archaic) An agreement or appointment for a meeting that is never to be kept; an engagement for an indefinite time.
  • He promised to help, but it turned out to be a dateless bargain. (He promised to help, but it turned out to be a promise he never intended to keep at a specific time.)

Adjective

1. unaffected by time
   • few characters are so dateless as Hamlet
   • Helen's timeless beauty
2. not bearing a date
   • a dateless letter
3. of such great duration as to preclude the possibility of being assigned a date
   • dateless customs
4. having no known beginning and presumably no end
   • the dateless rise and fall of the tides
   • time is endless
   • sempiternal truth