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. /plac
  3. /complacency

complacency

UK/kәm'pleisәnsi/US
GREC2

Definitions

n.

A feeling of smug self-satisfaction that makes one stop trying or ignore danger.

自满,自鸣得意;麻痹大意。

Root Breakdown

Root-derived
com-together, with
+
placappease, smooth, calm
+
-encystate, quality
=complacency

The noun of complacent: the state of being too pleased with oneself. complacency is the more common noun; complacence is a rarer variant.

Root plac still carries 14 more words

Common Collocations

  • 1.dangerous complacency危险的自满
  • 2.breed complacency滋生自满
  • 3.no room for complacency容不得麻痹大意
  • 4.a sense of complacency一种自满情绪

Example Sentences

  • 1.

    Years of success bred a dangerous complacency in the firm.

  • 2.

    There is no room for complacency while the threat remains.

  • 3.

    The report warned against complacency over falling crime rates.

Word Forms

Noun

Pluralcomplacencies
← Back to plac