responder

rih-SPON-der /rɪˈspɑːndər/
nounB2TOEFLIELTS
generalprofessional

A person, such as a police officer, firefighter, or paramedic, who is among the first to arrive and give help at an emergency scene.

Refers specifically to personnel duty-bound and trained to answer emergency calls on-site.

The story behind the word. From Latin respondēre (to pledge in return, answer), combining re- (back) and spondere (to solemnize or promise). The agent noun responder gained distinct legal and operational status with the compound 'first responder' in late 20th-century safety codes.

Word relationships

  • emergency worker: Emergency worker is a broad umbrella term; responder highlights active response to an immediate call.
  • agent: Agent refers to someone representing an authority, not necessarily an emergency caregiver or officer.
  • bystander: A person present at an event who does not take active part in response.

Commonly confused with

  • respondent: A respondent is a person defending against a legal lawsuit or answering a survey; a responder is an emergency worker.

Word family

  • respond (verb): To act in return or react to a situation/call.
  • responsive (adjective): Reacting quickly and positively to instructions or stimuli.

Collocations

  • first responder
  • emergency responder
  • responder safety
  • on-scene responder

Example sentences

  • "The dispatcher maintained voice contact with the caller until the first responder pulled up outside." On-scene operations
  • "First responder teams underwent specialized hazmat scenario drills last month." Public safety policy

Memory hook

RESPOND-ER: The person who RESPONSES when you call for help. The person answering the call in person.

When not to use

Do not use for passive bystanders who merely watch an incident without assisting.

Fun facts

  • 911 telecommunicators are increasingly classified legally as 'first responders' in many jurisdictions to recognize their mental stress and frontline role.

Related words

dispatch, distress

LangBlitz
Take your vocabulary further with LangBlitz

Our English vocabulary app: FSRS spaced repetition, 5,000+ curated words across 119 topic groups, CEFR A1 to C2. Explore your mastery with the beautiful Vocabulary World feature.