stable

/ˈsteɪbl/ (bre, ipa) · /ˈsteɪbl/ (ame, ipa) · /ˈstā-bəl/ (ame, mw) · /ˈsteɪ.bəl/ (bre, ipa) · /ˈsteɪ.bəl/ (ame, ipa)

stable — 形容詞

  • stablepositive
  • stablercomparative
  • stablestsuperlative

1. Firmly placed or supported so that something does not move, shake, or change une

1.形容詞B1
釋義

穩定;穩固

不易移動或改變的狀態

Firmly placed or supported so that something does not move, shake, or change unexpectedly; not likely to break, fail, or undergo sudden shifts.

例句

Make sure the ladder is stable before you climb up to fix the roof.

爬上去修屋頂之前,先確認梯子是否穩固。

collocation: stable ladder / stable structure

After a week of ups and downs, the patient's condition is now stable.

經過一週的起伏之後,病人的情況現在穩定了。

同義詞
  • steady

    Focuses on even, continuous movement or balance; 'steady' can describe a hand that does not shake, while 'stable' emphasizes structural fixity.

  • balanced

    More about equal distribution of weight or forces; a 'balanced' diet is not the same as a 'stable' diet.

  • secure

    Adds a feeling of safety or protection; a 'secure' job may imply a contract, while a 'stable' job focuses on low risk of loss.

  • constant

    Describes something that never varies; 'constant' pain is not the same as a 'stable' condition.

反義詞
  • unstable

    Direct opposite; an unstable structure wobbles or may collapse.

  • shaky

    Informal; suggests visible trembling or weakness.

用法筆記

Frequently used to describe physical objects (furniture, structures), economic indicators (prices, growth), and medical conditions (vital signs, state of health).

常見錯誤

The ladder is stable enough to stand on it.
The ladder is stable enough to stand on.
💡'stable' already includes the idea of being secure; no need to add 'enough' as a filler.
She wants a stable work.
She wants a stable job.
💡'stable' modifies countable nouns like 'job', 'income', 'relationship', not uncountable 'work' in this sense.

2. Describes a person who has a healthy state of mind, deals with emotions in a cal

2.形容詞B2
釋義

心智穩定的

情緒或心理狀態健康

Describes a person who has a healthy state of mind, deals with emotions in a calm way, and does not become upset or irrational easily.

例句

Christopher feels much more stable now that he attends therapy every week.

Christopher 每週接受心理治療後,感覺情緒穩定多了。

Children who grow up in a stable home environment tend to do better at school.

在穩定家庭環境中長大的孩子在學校表現通常比較好。

collocation: stable home / stable environment

同義詞
  • well-adjusted

    More specific to social functioning; a well-adjusted child gets along with others and follows rules.

  • balanced

    Suggests moderation in emotions; 'balanced' is broader — a 'balanced' person eats well, sleeps well, and stays calm.

  • rational

    Focuses on logical thinking rather than emotional steadiness.

反義詞
  • unstable

    Direct opposite; an unstable person may experience sudden mood swings.

  • volatile

    Stronger than 'unstable'; suggests explosive emotional reactions.

用法筆記

Subject is always a person, a person's character, or a social environment (home, family) that influences mental health. Distinguish from sense 1 in that this sense applies only to mental or emotional stability, not to physical objects or economic systems.

常見錯誤

The table is mentally stable.
The table is stable.
💡This sense only applies to people and their emotional condition, not to objects.

3. Describes a chemical substance or element that does not easily react with other

3.形容詞B2
釋義

化學穩定的

不易與其他物質發生化學反應

Describes a chemical substance or element that does not easily react with other substances or change its atomic or molecular structure under normal conditions.

例句

Gold is a stable metal that does not rust or react with water.

黃金是一種化學性質穩定的金屬,不會生鏽也不會與水反應。

collocation: stable metal / stable compound

The chemist stored the stable compound in a glass container at room temperature.

化學家將穩定的化合物存放在室溫下的玻璃容器中。

同義詞
  • inert

    Stronger than 'stable'; an inert substance does not react under almost any conditions.

  • non-reactive

    Direct description of the same property; less technical.

反義詞
  • reactive

    Describes a substance that easily undergoes chemical reactions.

  • unstable

    In chemistry, an unstable substance may break down or transform spontaneously.

用法筆記

Primarily used in science and chemistry contexts. The opposite is 'reactive' or 'unstable'. A 'stable' substance can still be dangerous; stability here refers only to chemical reactivity, not physical safety.

常見錯誤

This chemical is very stable, so it explodes easily.
This chemical is very reactive, so it explodes easily.
💡'Stable' in chemistry means the substance does NOT react easily.

stable — 名詞

stable — 動詞