Definition

Adverb: - During the same period of time; at the same time. It describes events, actions, or developments that occur or exist concurrently.

Usage

Use "contemporaneously" in formal or academic writing to describe two or more things happening in the same historical or chronological period. It emphasizes the simultaneity of events.

Examples

• The two great empires rose and fell contemporaneously.
• The scientist's notes were written contemporaneously with the experiments.
• Several artistic movements were flourishing contemporaneously in different parts of the city.

Advanced Usage

• "To occur contemporaneously with": A formal phrase indicating that one event happened at the same time as another.
  • The invention of the printing press occurred contemporaneously with a surge in literacy rates.

Variants and Related Words

• Contemporaneous (adjective): Existing or occurring in the same period of time.
  • There is no contemporaneous evidence to support the claim.
• Contemporary (adjective/noun): (1) Belonging to or occurring in the present. (2) A person or thing living or existing at the same time as another.
  • She studies contemporary art. (adjective)
  • Shakespeare and his contemporaries. (noun)

Synonyms

• Simultaneously: At the same time.
• Concurrently: Overlapping in time; at the same time.
• Coincidentally: Happening at the same time by chance.

Notes on Meaning

While "contemporaneously" strictly means "at the same time," it is often used in historical or analytical contexts to discuss periods, not necessarily instantaneous moments. It implies a broader timeframe of coexistence.

Adverb

1. during the same period of time
   • contemporaneously, or possibly a little later, there developed a great Sumerian civilisation