Definition

Adverb 1. Speaking or singing at the same time; simultaneously: Used to describe actions, especially vocal ones like speaking or singing, that happen at exactly the same moment. 2. At the same pitch: Used in a musical context to describe voices or instruments producing notes of identical frequency.

Usage

The phrase "in unison" describes a perfect synchronization in time or sound. It is commonly used for groups of people performing an action together, such as speaking, singing, or moving.

Examples

• Speaking simultaneously:
  • The class recited the pledge in unison.
  • "Thank you," they said in unison.
• Singing or sounding simultaneously:
  • The choir sang the final note in perfect unison.
  • The bells rang in unison to mark the hour.
• Acting together in harmony:
  • The dancers moved in unison.
  • The committee worked in unison to complete the project.

Advanced Usage

• In complete/perfect unison: Emphasizes absolute synchronization.
  • The orchestra's strings played in perfect unison.
• To act/be in unison: To be in full agreement or to act together harmoniously.
  • The two departments need to act in unison on this policy.

Variants and Related Words

• Unison (noun): The state of being in perfect agreement or synchronization.
  • The project requires unison of thought and action.
• Unisonous (adjective, rare): Characterized by unison.
• In chorus: A near-synonymous phrase often used interchangeably with "in unison" for speaking or singing together.

Synonyms

• Simultaneously
• In concert
• In harmony
• Together
• As one
• In chorus

Related Phrases

• In lockstep: Moving or acting in perfect unison, often implying rigid conformity.
  • The soldiers marched in lockstep.
• With one voice: Expressing unanimous agreement.
  • The council condemned the action with one voice.

Adverb

1. at the same pitch
   • they sang in unison
2. speaking or singing at the same time; simultaneously
   • they shouted `Yes!' in unison
   • they responded in chorus to the teacher's questions