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. /sp
  3. /spy

spy

UK/spai/US
A1

Definitions

n.

A person who secretly collects and reports information.

间谍;密探

v.

To watch secretly; to catch sight of.

暗中监视;瞥见

Root Breakdown

Native English
spylook, observe, watch
=spy

From Old French espier (to watch), ultimately from same root as L. specere. Originally just «to look out for.»

Root sp still carries 131 more words

Common Collocations

  • 1.spy on someone监视某人
  • 2.undercover spy卧底间谍
  • 3.spy network间谍网络
  • 4.spy agency情报机构

Example Sentences

  • 1.

    She works as a spy for foreign intelligence.

  • 2.

    I spied him crossing the road.

Word Forms

Verb

Pastspied
3rd Personspies
Past Part.spied
Pres. Part.spying

Noun

Pluralspies
← Back to sp