Definition

1. Adjective:
   • Existing or occurring in the same period of time: Describing events, people, or things that happen or exist during the same time frame.
   • Belonging to the same time: Indicating that two or more entities are from the same historical or chronological period.

Usage

The adjective "contemporaneous" is used to describe a relationship in time. It is a formal term, often found in academic, historical, or legal contexts. It typically describes events or facts, not people's feelings or opinions. It is commonly followed by the preposition "with" when linking two subjects. - Use it to state that two events happened at the same time. - Use it to indicate that two documents or pieces of evidence were created during the same period.

Examples

• The development of the steam engine was contemporaneous with major social changes brought by the Industrial Revolution.
• The historian analyzed contemporaneous newspaper accounts to understand the public mood during the crisis.
• These two artistic movements, though geographically separate, were contemporaneous.
• The lawyer presented a contemporaneous diary entry as evidence of the witness's whereabouts.

Advanced Usage

• In legal contexts: "Contemporaneous notes" are notes made at the time an event occurs, which are considered more reliable as evidence.
  • The police officer's contemporaneous log of the incident was crucial for the investigation.
• In historical analysis: Used to compare phenomena without implying a causal relationship, only a temporal one.
  • Scholars debate whether the contemporaneous declines of the two empires were connected or coincidental.

Variants and Related Words

• Contemporaneously (adverb): In a contemporaneous manner; at the same time.
  • The two treaties were signed contemporaneously.
• Contemporaneity (noun): The quality or state of being contemporaneous.
  • The contemporaneity of these fossils challenges previous theories about species migration.

Synonyms

• Coeval: Originating or existing during the same period (often used for long periods like eras).
• Concurrent: Happening at the same time, often used for events or actions.
• Simultaneous: Happening at exactly the same time, with a stronger emphasis on precise timing.
• Contemporary: Existing or occurring at the same time. (Note: "Contemporary" can also mean "modern" or "current," a nuance "contemporaneous" does not have.)

Antonyms

• Asynchronous: Not existing or occurring at the same time.
• Sequential: Forming or following a logical order or sequence in time.
• Noncontemporary: Not belonging to the same time period.

Notes on Usage

• "Contemporaneous with" vs. "Contemporary with": While often interchangeable, "contemporaneous" is more strictly tied to the coincidence of time and is preferred in formal, objective descriptions (e.g., of events, records). "Contemporary" can carry additional connotations of modern style or a personal relationship (e.g., "He was a contemporary of Picasso" implies they moved in similar circles).
• Precision: "Contemporaneous" is a precise term. For casual conversation about things happening now, words like "current" or "present-day" are more common.

Adjective

1. of the same period
2. occurring in the same period of time
   • a rise in interest rates is often contemporaneous with an increase in inflation
   • the composer Salieri was contemporary with Mozart