consciousness

consciousness — noun

1. the state of knowing that a particular fact, situation, or problem exists and un

1.nounB2
Definition

the state of knowing that a particular fact, situation, or problem exists and understanding that it matters

Example

Public consciousness of the plastic waste problem has grown since the government banned single-use straws.

collocation: consciousness + of + problem/issue

Bilal's documentary raised consciousness about working conditions in the electronics industry.

collocation: raise consciousness + about + topic

Common collocations
  • consciousness of
  • raise consciousness
  • public consciousness
  • social consciousness
  • political consciousness
  • growing consciousness
Synonyms
  • awareness

    more general and used for individuals as well as groups; 'consciousness' often implies a shared or societal understanding

  • recognition

    focuses on the act of identifying or acknowledging something officially

  • realization

    emphasises the moment of coming to understand something new

Antonyms
  • ignorance

    the state of not knowing or being unaware of something

Grammar Patterns

(a) consciousness + of + noun phrase

raise / heighten consciousness + about + topic

Usage Note

Often used in the phrase 'raise consciousness about something' to mean making people more aware of an issue so that they take action.

Common Mistakes

I have a strong consciousness about environmental problems.
I am very conscious of environmental problems.
'consciousness' is a noun for the general state of knowing, while the adjective 'conscious of' expresses individual awareness.

2. the condition of being awake and able to see, hear, feel, and think normally, as

2.nounB2
Definition

the condition of being awake and able to see, hear, feel, and think normally, as opposed to sleeping or being unconscious

Example

Jin slipped on the wet floor and lay still for a minute before regaining consciousness.

collocation: regain consciousness

The nurse shook the patient's shoulder to check if she lost consciousness after the fall.

collocation: lose consciousness

Common collocations
  • regain consciousness
  • lose consciousness
  • in and out of consciousness
  • drift back to consciousness
  • slip into unconsciousness
Synonyms
  • wakefulness

    more clinical term for the state of being awake

  • alertness

    emphasises being fully attentive and responsive

  • awareness

    only partially overlaps; 'awareness' focuses on perception of surroundings rather than the physiological state of being awake

Antonyms
  • unconsciousness

    the state of being not awake, as after an injury or during sleep

Grammar Patterns

regain / lose / recover consciousness

drift in and out of consciousness

Usage Note

Most commonly appears in the fixed phrases 'regain consciousness', 'lose consciousness', and 'drift in and out of consciousness'. You do not normally say 'have consciousness' for this sense.

Common Mistakes

She was consciousness after the accident.
She was conscious after the accident.
'conscious' is the adjective meaning awake; 'consciousness' is a noun and cannot follow 'was' as a complement.

3. the complete inner world of a person's thoughts, feelings, sensations, and self-

3.nounC1
Definition

the complete inner world of a person's thoughts, feelings, sensations, and self-awareness, considered as a whole

Example

Whether animals possess consciousness is one of the most debated questions in modern science.

verb + consciousness: possess / have consciousness

Romi's research explores how long-term meditation can change the way human consciousness operates.

Common collocations
  • the nature of consciousness
  • human consciousness
  • theory of consciousness
  • consciousness studies
  • stream of consciousness
  • altered state of consciousness
Synonyms
  • mind

    broader and more everyday term; 'consciousness' specifically refers to the subjective, experiential aspect of mental life

  • awareness

    too narrow; 'awareness' lacks the full spectrum of emotional and sensory experience that 'consciousness' implies here

  • sentience

    more technical term used mainly for the capacity to feel or perceive; rarer in general use

Grammar Patterns

the nature / origin / problem of consciousness

Usage Note

Primarily used in academic or formal contexts, especially in philosophy, psychology, and cognitive science. In everyday conversation, this sense is rare — speakers usually use 'mind' instead.

Word family

Synonym discussion

Sense: noun/1

Of these four words, consciousness is the broadest and most formal, often referring to a collective or societal understanding of an issue (e.g. 'environmental consciousness'). Awareness overlaps but is more flexible — it works for both individuals and groups, and in everyday contexts ('I was not aware of the time'). Recognition implies an official or deliberate acknowledgment of something already known or noticed ('official recognition of the problem'). Realization focuses on the specific moment of understanding something new ('it suddenly dawned on me'). In practice: you raise consciousness about a cause, you have awareness of a fact, you demand recognition of a right, and you experience a sudden realization — the words differ in scope, timing, and formality.

awareness ↗recognition ↗realization ↗consciousness ↗

Common collocations

Nouns

Adverbs

Phrases

  • regain consciousness
  • lose consciousness
  • raise consciousness
  • in and out of consciousness
  • consciousness of something
  • the nature of consciousness

Prepositions

Etymology

LatinFrenchEnglish

Consciousness comes from the Latin word 'conscius', meaning 'knowing with others' or 'being privy to a secret' — formed from 'con-' (together) and 'scire' (to know). It passed into English through French 'conscience' and was later reshaped as 'consciousness' in the 1600s to refer to the internal state of awareness, separate from moral conscience. The philosophical sense, referring to the mind as a whole, developed in the 1700s during the European Enlightenment.