conscious

conscious — adjective

  • consciouspositive
  • more consciouscomparative
  • most conscioussuperlative

1. knowing that something — a person, an object, or an event — is present or taking

1.形容詞B1
釋義

knowing that something — a person, an object, or an event — is present or taking place near you

例句

Linh was conscious of the tension in the room as soon as she walked in.

conscious of [something]

Jabari suddenly became conscious of the fact that everyone was staring at him.

become conscious of the fact that…

同義詞
  • aware

    more neutral and slightly more common; 'aware of' can apply to physical and abstract things equally

  • mindful

    implies careful attention and deliberate thought, not just passive noticing

  • cognizant

    formal register; typically used in legal or official contexts

反義詞
  • unaware

    the direct opposite in everyday use

  • oblivious

    stronger — suggests a complete failure to notice something obvious

用法筆記

Frequently used in the pattern 'conscious of + noun/gerund' or 'conscious that + clause'. Less common in affirmative simple-present than in negative or question forms.

常見錯誤

He was conscious the problem.
He was conscious of the problem.
💡'conscious' requires the preposition 'of' before its object.
She was conscious to the noise outside.
She was conscious of the noise outside.
💡'conscious of' is the only correct preposition pattern for this sense.

2. in a condition in which you are not asleep, your mind is working, and you can se

2.形容詞B1
釋義

in a condition in which you are not asleep, your mind is working, and you can sense the things near you

例句

Yuki remained conscious throughout the entire medical examination.

remain conscious

The patient was barely conscious when the ambulance arrived at the hospital.

barely conscious

同義詞
  • awake

    everyday word for not sleeping; 'conscious' adds the idea of mental awareness, not just open eyes

  • alert

    implies the ability to respond quickly, not just basic awareness

  • lucid

    implies clear thinking; often used after illness or confusion

反義詞

用法筆記

Common in medical contexts. Frequently paired with adverbs of degree: 'fully', 'barely', 'partially', 'semi-'. The opposite is 'unconscious', not 'asleep'.

常見錯誤

The doctor said he was conscious asleep.
The doctor said he was unconscious.
💡'conscious' and 'asleep' are not opposites; the opposite of 'conscious' is 'unconscious'.

3. done on purpose because you have thought about it and made a clear decision, not

3.形容詞B2
釋義

done on purpose because you have thought about it and made a clear decision, not by accident

例句

Constanza made a conscious effort to arrive early for every team meeting.

make a conscious effort to [do]

Lucas's decision to leave his job was a conscious choice after months of careful thought.

a conscious choice

同義詞
  • deliberate

    closest synonym; can also describe negative actions, which 'conscious' typically avoids

  • intentional

    very similar; often used in legal or moral contexts

  • purposeful

    suggests determination and a clear goal

  • voluntary

    focuses on the freedom of choice rather than the thought process

反義詞

用法筆記

The noun phrase patterns 'a conscious effort / choice / decision / attempt' are very common. The pattern implies the action required thought and was not habitual or instinctive.

常見錯誤

He made a conscious decision by accident.' — contradictory.
He made a conscious decision to change his habits.
💡'conscious' here means deliberate, not accidental.

4. giving a lot of attention to a particular issue because you care about it or bel

4.形容詞B2
釋義

giving a lot of attention to a particular issue because you care about it or believe it matters a great deal

例句

The company is becoming more environmentally conscious about its packaging materials.

environmentally conscious

Maja is very health-conscious and checks the sugar content of everything she eats.

health-conscious

同義詞
  • concerned

    similar meaning but used as a standalone adjective with 'about'; less compact than the compound pattern

  • aware

    weaker than 'conscious' — can mean just noticing without caring

反義詞

用法筆記

This sense is most often used as the second part of a compound adjective: 'health-conscious', 'environmentally conscious', 'safety-conscious', 'budget-conscious', 'fashion-conscious'. The first element names the issue someone cares about.

常見錯誤

She is conscious about environmental problems.' (intending sense 4)
She is environmentally conscious.
💡The compound adjective pattern is the standard way to express this meaning.
He is conscious of his health.' (this is sense 1 — just awareness)
He is health-conscious.' (this is sense 4
💡active concern and behaviour)

conscious — noun

conscious — suffix