WordHive Learning Dictionary

Complacent

adjective

Complacent means too pleased or too unconcerned to notice that something needs care or improvement.

10 letters 3 syllables

What does Complacent mean?

Complacent means too pleased or too unconcerned to notice that something needs care or improvement.

Dictionary definition

Too satisfied with yourself or with the way things are, especially when this leaves you unaware of problems; also showing too little concern about a situation that needs attention.

Example sentences

Complacent in a sentence

easy

After winning once, the team became complacent and stopped practising its weakest skills.

medium

He gave a complacent smile before anyone had checked whether his answer was right.

medium

We should not be complacent about the loose gate just because it has not caused a problem yet.

Writing practice

Ready to write your own? Study the examples, then practice complacent in a sentence with Sentence Builder checklist feedback.

Quick practice
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Practice the meaning of Complacent

Answer three quick questions about its meaning and related words.

Practice 1

Which action most clearly shows a complacent attitude after an easy win?

Practice 2

Why is confident not always a synonym for complacent?

Practice 3

Choose the noun: "The surprise defeat exposed the team's ___."

Pronunciation coach
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Complacent

Voice settings
Sounds like

kuhm · play · sunt · strongest beat: play

Synonyms

Words like Complacent

smugUse for an expression or attitude showing excessive satisfaction with yourself.
unconcernedUse for showing too little concern about a problem; unconcerned does not always imply self-satisfaction.
Antonyms

Opposite words

vigilantUse for staying alert to possible problems, in contrast with a complacent lack of attention.
Word family

Complacent word family

Base word

complacent

noun

complacency

A state of excessive satisfaction or insufficient concern about possible problems.

adverb

complacently

In a self-satisfied or insufficiently concerned way.

Related words
Student support

Understand Complacent

Hint for students

Look for satisfaction that blocks useful attention or effort. Complacent is usually disapproving: become complacent, grow complacent, or be complacent about a problem.

Common mix-up

Calm or confident does not automatically mean complacent. In modern usage, complaisant means willing to please or oblige others; complacent usually means self-satisfied or unconcerned. Older uses overlap, so context still matters.

Try it in class or at home

Ask students to write two short reactions to a good quiz result: one confident and prepared, one complacent. Partners underline the action that reveals the difference.

Teacher prompt

In "The team became complacent after one win," which later action would reveal complacency? Contrast it with confidence supported by continued practice.