self-deception: meaning, definition, pronunciation and examples

C1
UK/ˌself dɪˈsep.ʃən/US/ˌself dɪˈsep.ʃən/

formal, academic, psychological, literary

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Quick answer

What does “self-deception” mean?

The act or process of deceiving oneself.

Audio

Pronunciation

Definition

Meaning and Definition

The act or process of deceiving oneself; the condition of believing something to be true about oneself that is actually false or unfounded.

A psychological state or process involving the denial or distortion of one's true feelings, motives, or situation, often as an unconscious defense mechanism to avoid uncomfortable realities.

Dialectal Variation

British vs American Usage

Differences

No significant difference in meaning or spelling. Compound spelling with hyphen is standard in both varieties.

Connotations

In both varieties, carries a negative connotation of psychological weakness or lack of intellectual honesty.

Frequency

Slightly more frequent in academic and psychological contexts in both varieties; no notable frequency difference between regions.

Grammar

How to Use “self-deception” in a Sentence

[subject] engage(s) in self-deception[subject] is guilty of self-deceptionIt is self-deception to [verb phrase]

Vocabulary

Collocations

strong
practise self-deceptionwallow in self-deceptionguilty of self-deceptiondangerous self-deception
medium
an act of self-deceptiona form of self-deceptiona state of self-deceptionpolitical self-deception
weak
pure self-deceptionsimple self-deceptiontotal self-deceptionblatant self-deception

Examples

Examples of “self-deception” in a Sentence

verb

British English

  • He is deceiving himself if he thinks the plan will work.
  • They self-deceive to avoid the painful truth.

American English

  • She's just deceiving herself about his intentions.
  • Stop self-deceiving and face the facts.

adverb

British English

  • He lived self-deceivingly for years.
  • She argued self-deceptively for the failed policy.

American English

  • He self-deceptively ignored the warning signs.
  • She acted self-deceivingly to maintain her comfort.

adjective

British English

  • He was in a self-deceiving state of optimism.
  • It was a self-deceived belief.

American English

  • Her self-deceiving attitude prevented progress.
  • They are self-deceived about their chances.

Usage

Meaning in Context

Business

Used when discussing corporate blind spots, failed strategies based on unrealistic self-assessment, or leadership failures.

Academic

Common in psychology, philosophy, political science, and literary criticism to analyse character or ideological bias.

Everyday

Used to describe someone refusing to acknowledge a personal flaw, a relationship problem, or an obvious truth.

Technical

In psychology/psychiatry, refers to specific defence mechanisms like denial or rationalisation.

Vocabulary

Synonyms of “self-deception”

Vocabulary

Antonyms of “self-deception”

self-awarenessself-knowledgehonestylucidityclear-sightedness

Watch out

Common Mistakes When Using “self-deception”

  • Spelling as one word ("selfdeception") or two separate words ("self deception"). The standard is hyphenated. Incorrectly using as a countable noun (e.g., 'a self-deception'). Usually uncountable, though 'an act of self-deception' is fine.

FAQ

Frequently Asked Questions

No, it is typically an unconscious or semi-conscious process. The person is often not aware they are deceiving themselves.

While generally viewed negatively, some philosophers and psychologists argue that mild, positive self-deception (like unrealistic optimism) can sometimes aid motivation and mental well-being, though it remains a distortion of reality.

They are largely synonymous. 'Lying to oneself' can imply a slightly more conscious, active dishonesty, whereas 'self-deception' often emphasises the psychological state and unconscious mechanisms.

Yes, 'self-deceptive' is a standard, though somewhat formal, adjective (e.g., 'self-deceptive thinking'). 'Self-deceiving' is also used, often as a participle adjective.

The act or process of deceiving oneself.

Self-deception is usually formal, academic, psychological, literary in register.

Self-deception: in British English it is pronounced /ˌself dɪˈsep.ʃən/, and in American English it is pronounced /ˌself dɪˈsep.ʃən/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • Fooling oneself
  • Living in a fool's paradise

Learning

Memory Aids

Mnemonic

Think of a person looking in a mirror but seeing only what they want to see. SELF + DECEPTION = deceiving your own SELF.

Conceptual Metaphor

SELF-DECEPTION IS A VEIL / FILTER (obscuring the true view of oneself). SELF-DECEPTION IS A COMFORTABLE PRISON (providing false security but limiting).

Practice

Quiz

Fill in the gap
Believing he was still the best player on the team, despite his declining performance, was an obvious case of .
Multiple Choice

In which field is the term 'self-deception' considered a key technical concept?