brittle

/ˈbrɪtl/ (bre, ipa) · /ˈbrɪtl/ (ame, ipa) · /ˈbri-tᵊl/ (ame, mw) · /ˈbrɪt.əl/ (bre, ipa) · /ˈbrɪt̬.əl/ (ame, ipa)

brittle — adjective

  • brittlepositive
  • brittlercomparative
  • brittlestsuperlative

1. Describes hard materials such as glass, bone, or metal that crack or shatter ver

1.形容詞B2
釋義

Describes hard materials such as glass, bone, or metal that crack or shatter very easily because they lack flexibility — like a thin icicle that snaps when you bend it.

例句

The ceramic vase was so brittle that it shattered when Amara brushed the shelf.

result clause with 'so...that' showing consequence of brittleness

Doctors warned Lin that chemotherapy can leave bones brittle and prone to fractures.

collocation: brittle bones

同義詞
  • fragile

    More general — applies to weak or delicate objects, not necessarily hard ones, e.g. 'fragile china'

  • breakable

    Focuses on the ability to break rather than the hardness, e.g. 'breakable toys'

反義詞
  • flexible

    Bends rather than breaks

  • durable

    Lasts long under hard use

  • tough

    Strong and resistant to breaking

文法句型

brittle + noun (glass, bone, metal)

用法筆記

Usually placed before the noun it describes (attributive position). Not used for soft or flexible materials — something brittle breaks rather than bends.

常見錯誤

The plastic ruler is brittle so it bends a lot.
The plastic ruler is flexible so it bends a lot.
💡Brittle materials crack or shatter when force is applied; they do not bend.

2. Describes a situation, relationship, or system that can be damaged or destroyed

2.形容詞B2
釋義

Describes a situation, relationship, or system that can be damaged or destroyed very easily because it lacks stability or strength — for example, a peace deal that could fall apart after one small disagreement.

例句

The ceasefire between the two countries remained brittle and could collapse at any moment.

collocation: brittle ceasefire / brittle peace

Ananya knew her friendship with Deepak was brittle after the argument about the business deal.

同義詞
  • fragile

    More common and general; can describe both physical and abstract things

  • precarious

    Emphasises danger and risk rather than inherent weakness, e.g. 'precarious financial situation'

  • unstable

    Focuses on likelihood of change rather than weakness, e.g. 'unstable government'

反義詞
  • stable

    Firm and not likely to change or fail

  • secure

    Safe and protected from harm or loss

  • solid

    Strong and reliable

文法句型

brittle + abstract noun (peace, trust, relationship, economy)

用法筆記

Subject is usually an abstract noun: peace, ceasefire, relationship, trust, economy, alliance. Not used for concrete objects in this sense.

常見錯誤

After the fight, their brittle friendship was still going strong.
After the fight, their friendship became brittle and could break at any moment.
💡'Brittle' implies weakness and risk of failure, not strength.

3. Describes a person who appears happy, confident, or strong on the surface but is

3.形容詞C1
釋義

Describes a person who appears happy, confident, or strong on the surface but is actually anxious, tense, or emotionally fragile inside — like a performer smiling bravely before a nervous audience.

例句

Theo's brittle laughter at the party could not hide the sadness he felt inside.

collocation: brittle laughter / brittle smile

Behind her brittle smile, Fatima was terrified of failing the final exam.

同義詞
  • tense

    Focuses on nervousness rather than the contrast between appearance and reality

  • strained

    Suggests effort to appear natural, e.g. 'strained smile'

  • forced

    Implies the display is deliberately produced, e.g. 'forced cheerfulness'

反義詞

文法句型

brittle + noun (laughter, smile, confidence, persona)

用法筆記

Often pairs with laughter, smile, confidence, or persona. The brittleness is visible or audible to observers — the person's display of calm does not feel genuine.

4. Describes a sound — especially a voice, laugh, or cough — that is high-pitched,

4.形容詞C1
釋義

Describes a sound — especially a voice, laugh, or cough — that is high-pitched, sharp, and betrays tension or nervousness, like a laugh that comes out too quickly and sounds strained.

例句

‘I am perfectly fine,’ Emma said in a brittle voice, though her hands were trembling.

collocation: brittle voice

A brittle giggle escaped Lucia's lips as she tried to explain what had happened.

同義詞
  • sharp

    Can describe any abrupt sound, not necessarily nervous ones

  • shrill

    Stronger and more unpleasant, usually high-pitched to the point of being annoying

  • harsh

    Unpleasantly rough or jarring to the ear

反義詞
  • warm

    Pleasant and friendly in tone

  • soft

    Quiet and gentle in sound

  • mellow

    Smooth and rich in tone

文法句型

brittle + sound noun (voice, laugh, giggle, cough)

用法筆記

Describes sounds only — voice, laugh, giggle, cough, or the quality of an audio recording. Not used for loud, deep, or warm sounds.

5. Describes a person, their manner, or their words as cold and unkind, showing no

5.形容詞C1
釋義

Describes a person, their manner, or their words as cold and unkind, showing no care or warmth toward others — for example, someone who never offers comfort and gives only short, dismissive replies.

例句

The manager's brittle reply made it clear he had no interest in hearing new ideas.

collocation: brittle reply / brittle remark

Elena found her new colleague to be brittle and unwilling to offer help to anyone.

同義詞
  • cold

    Focuses on lack of warmth; more common and less literary

  • harsh

    Emphasises severity and roughness rather than emotional coldness

  • unfeeling

    Suggests lack of empathy or compassion

反義詞
  • warm

    Friendly and caring towards others

  • kind

    Generous and considerate

  • generous

    Willing to give time, money, or kindness freely

文法句型

brittle + noun (personality, manner, tone, remark)

用法筆記

Strongly negative. Describes character or the tone of someone's words. A brittle person is not just reserved — they are actively cold and ungiving.

常見錯誤

My boss is very brittle and always gives generous praise.
My boss is brittle and never offers any encouragement.
💡A brittle person lacks warmth and generosity, so they do not give praise freely.

brittle — noun