Wordiyo
RootsVocabularyCoursesGuidesMy WordsPricing
Wordiyo

Build your English vocabulary systematically through roots and etymology.

Explore

  • Roots
  • Vocabulary
  • My Words

Learn

  • Guides
  • Pricing

Company

  • About
  • Terms
  • Privacy

© 2026 Wordiyo.

  1. Home
  2. /ag
  3. /agent

agent

UK/'eidʒәnt/US
NGSL 1kTOEFLA2

Definitions

n.

A person who acts on behalf of another; a representative

代理人,经纪人,代办

n.

A spy or someone working secretly for a government

特工,间谍

n.

A substance or force that produces an effect

(产生效果的)剂,媒介,动因

Root Breakdown

Root-derived
agdo, act, drive
+
-entperforming, being in a state
=agent

ag (drive/do) + -ent (one who) = the doer, the active party. An agent is whoever or whatever does the acting: a person acting for you (real-estate agent), a person acting secretly (secret agent), or a substance that makes something happen (cleaning agent). The thread is always 'the active cause.'

Root ag still carries 21 more words

Common Collocations

  • 1.travel agent旅行社代办
  • 2.secret agent特工
  • 3.estate agent房产中介
  • 4.free agent自由球员/自由人
  • 5.cleaning agent清洁剂

Example Sentences

  • 1.

    Her agent negotiated the book deal.

  • 2.

    He turned out to be a foreign agent.

  • 3.

    Bleach is a powerful cleaning agent.

Word Forms

Noun

Pluralagents

Derivatives

agencyagenciesreagentcoagent
← Back to ag