subtle

/ˈsʌtl/ (bre, ipa) · /ˈsʌtl/ (ame, ipa) · /ˈsə-tᵊl/ (ame, mw)

subtle — adjective

  • subtlepositive
  • subtlercomparative
  • subtlestsuperlative

1. Difficult to notice or perceive because it is mild, soft, or not obvious — a sub

1.形容詞B2
釋義

Difficult to notice or perceive because it is mild, soft, or not obvious — a subtle colour does not stand out, a subtle flavour is faint rather than strong, and a subtle difference requires close attention to spot.

例句

The soup had a subtle hint of lemon that Kasia noticed on her second spoonful.

collocation: subtle hint of [flavour/ingredient]

The difference between the two blue shades was too subtle for most people to see.

comparative structure: so subtle that…

同義詞
  • delicate

    More about refined beauty or gentleness; 'subtle' can apply to ideas, 'delicate' usually to physical things

  • faint

    Weaker in intensity; lacks the complexity or skill implied by 'subtle'

  • understated

    Describes a deliberate stylistic choice; 'subtle' can be accidental or natural

反義詞
  • obvious

    Easy to see or understand without effort

  • glaring

    Unpleasantly or offensively noticeable

用法筆記

Commonly describes colours, flavours, smells, sounds, and differences. The thing described requires attention to perceive — it is not invisible, just easy to miss on first encounter.

常見錯誤

The colour is very subtle and bright.
The colour is very subtle and muted.
💡'subtle' implies softness or low intensity, not brightness.

2. Small and easy to overlook, yet having a meaningful effect on how something work

2.形容詞B2
釋義

Small and easy to overlook, yet having a meaningful effect on how something works, what it means, or how it turns out.

例句

There is a subtle difference between sympathy and empathy that learners often miss.

collocation: subtle difference between X and Y

Hannah noticed a subtle change in her friend's voice after the bad news.

同義詞
  • fine

    More technical, often used for distinctions or print; 'subtle' is broader

  • nuanced

    Implies multiple layers of meaning; 'subtle' can be a single small point

反義詞
  • dramatic

    Big and immediately obvious in effect

  • stark

    Sharply and clearly different

用法筆記

Typically describes differences, distinctions, changes, or details. Unlike sense 1, this sense emphasises that the small thing matters — the subtlety has consequences.

常見錯誤

There is a subtle difference, but it does not matter.
There is a subtle difference that changes the whole meaning.
💡in this sense 'subtle' implies importance, not just smallness.

3. Carried out with such quiet skill that people do not notice the effort behind it

3.形容詞C1
釋義

Carried out with such quiet skill that people do not notice the effort behind it — a subtle plan works by influencing events indirectly, and subtle humour lands without a loud punchline.

例句

The advertisement used subtle humour to make viewers remember the brand name.

collocation: subtle humour

Isabela's subtle questioning led the witness to admit the truth without realising it.

同義詞
  • ingenious

    Emphasises inventiveness; 'subtle' is more about low visibility than originality

  • shrewd

    More about good practical judgement; 'subtle' describes the method itself

  • crafty

    Carries a slightly negative tone of scheming; 'subtle' is more neutral or positive

反義詞

用法筆記

Usually positive and describes methods, plans, marketing, humour, or persuasion that work quietly and intelligently. Not used for mere deception — when harm is implied, sense 5 is more appropriate.

常見錯誤

His subtle trick fooled everyone easily.
His subtle approach got everyone to agree without argument.
💡'subtle' in this sense suggests cleverness, not trickery.

4. A person who is subtle in this sense has a mind that picks up on fine details, h

4.形容詞C1
釋義

A person who is subtle in this sense has a mind that picks up on fine details, hidden patterns, or unspoken meanings that others would overlook — it describes a sharp observer or a thoughtful analyst.

例句

Sumin is a subtle critic who explains how lighting shapes the mood of a film.

pattern: subtle + person noun (critic / observer / mind)

Asher's subtle understanding of body language helped him read the room right away.

同義詞
  • perceptive

    Quick to notice, less analytical than 'subtle'; 'subtle' implies deeper processing

  • insightful

    Emphasises deep understanding rather than noticing; 'subtle' includes both noticing and understanding

  • discerning

    More about good judgement and taste; 'subtle' is broader across mental skills

反義詞

用法筆記

Describes a person or their mental qualities — a subtle mind, a subtle observer, a subtle analyst. Not used for objects, methods, or physical qualities. Distinguish from sense 3, which describes the method; sense 4 describes the person's ability.

常見錯誤

She is a subtle person.' (ambiguous — could mean 'clever/indirect' or 'keen')
She is a subtle observer of human behaviour.
💡add a noun that clarifies the type of perception being described.

5. A force or process that operates secretly and slowly, causing damage that only b

5.形容詞C2
釋義

A force or process that operates secretly and slowly, causing damage that only becomes apparent after time has passed — like a prejudice that quietly shapes decisions, or a toxin that builds up without immediate symptoms.

例句

The documentary showed how subtle prejudice can affect hiring decisions over many years.

collocation: subtle + [negative noun] (prejudice / influence / bias)

A subtle mould grew behind the bedroom wall for months before the family noticed.

同義詞
  • insidious

    More clinical and technical; 'insidious' always implies danger, while 'subtle' in this sense can describe any hidden harmful force

  • stealthy

    Describes movement or approach; 'subtle' describes the effect itself

反義詞
  • blatant

    Obviously and unashamedly harmful

  • overt

    Open and visible, not hidden

用法筆記

Almost always negative. Describes harmful effects that grow slowly and unnoticed — distinct from sense 1, which is neutral, and sense 3, which is positive. Common in formal writing about social issues, health, and politics.

常見錯誤

The subtle poison was easy to taste.
The subtle poison had no taste or smell, so no one detected it.
💡'subtle' in this sense means hidden and undetectable, not 'mild'.