At this level, 'acclimate' is a very difficult word. Instead of 'acclimate', you should use 'get used to'. For example, 'I am getting used to the cold weather.' It means you are starting to feel okay in a new place. If you move to a new school, you need time to get used to the new teachers and friends. 'Acclimate' is just a big word for this feeling of becoming comfortable in a new place or situation.
At the A2 level, you can think of 'acclimate' as a formal way to say 'adjust' or 'get used to'. You might see it in simple science books about animals. For example, 'The fish must acclimate to the water.' This means the fish needs time to feel safe and healthy in the new water. It usually involves a change in the environment, like temperature or light. You don't need to use this word often yet, but it is good to recognize it.
By B1, you should understand that 'acclimate' is used when talking about moving to a new climate or environment. It is common in travel and nature topics. If you go to the mountains, you might feel tired because there is less oxygen; your body needs to acclimate. You can also use it for social situations, like starting a new job. 'It took me a week to acclimate to the office routine.' It implies a slow, natural process of feeling normal again after a change.
At B2, you should be able to use 'acclimate' in both physical and metaphorical contexts. You understand it is a more precise term than 'adjust'. For instance, in a business meeting, you might say, 'We need to help the new hires acclimate to our company culture.' You also recognize the difference between American 'acclimate' and British 'acclimatize'. You are aware that the word often takes the preposition 'to' and can be used transitively or intransitively.
At the C1 level, you use 'acclimate' with nuance. You understand its physiological roots and its psychological applications. You might use it to describe complex transitions, such as 'acclimation to a high-stress environment' or 'acclimating to a new socio-political landscape.' You are comfortable using it in academic writing and formal presentations. You also know related terms like 'acclimation' (the process) and can distinguish it from 'adaptation' (an evolutionary change).
For C2 learners, 'acclimate' is part of a sophisticated vocabulary used to describe the subtle interplay between an organism and its environment. You might use it in literary analysis to discuss a character’s 'acclimation to a life of solitude' or in scientific discourse regarding 'phenotypic plasticity and acclimation.' You understand the historical etymology and the subtle stylistic differences between 'acclimate' and its synonyms in various English dialects and professional registers.

acclimate 30秒で

  • Acclimate means to adjust to a new environment or situation, often physically or psychologically.
  • It is commonly used in contexts involving weather, altitude, new jobs, or moving to new places.
  • The word is primarily a verb and is almost always followed by the preposition 'to'.
  • In British English, the preferred spelling and form is usually 'acclimatise'.

To acclimate is to undergo a process of adjustment, either physically or mentally, to a new environment or set of circumstances. While the word originally referred specifically to biological adaptation to a new climate—such as a plant adjusting to a different soil acidity or a human body producing more red blood cells at high altitudes—its modern usage has broadened significantly. Today, we use it to describe the transition into a new job, a new culture, or even a new social circle. It implies a gradual shift rather than an instantaneous change. When you acclimate, you are not just 'changing'; you are becoming 'at home' in a situation that was previously foreign or uncomfortable. This term is frequently used in scientific, athletic, and professional contexts to describe the period of time required for peak performance to return after a major change in surroundings.

Biological Context
The physiological changes an organism undergoes to minimize stress from environmental changes, such as temperature fluctuations or oxygen levels.
Social Context
The psychological process of becoming comfortable with new social norms, cultural expectations, or workplace dynamics.
Professional Context
The onboarding phase where a new employee learns the 'unwritten rules' and technical workflows of a company.

It took the mountaineers nearly two weeks to acclimate to the thin air at the base camp before they could attempt the summit.

Moving from a small village to London was a shock, but Sarah managed to acclimate within a few months.

The coach emphasized that the new recruits needed time to acclimate to the team's rigorous training schedule.

Plants grown in a greenhouse must be slowly acclimated to the outdoor weather before being permanently transplanted.

The software update was so radical that it took the developers weeks to acclimate to the new interface.

The nuance of 'acclimate' lies in the passivity or activity of the subject. Sometimes, your body acclimates without your conscious effort (like sweating more efficiently in heat). Other times, you must actively acclimate yourself by studying new rules or practicing new habits. It is a word that bridges the gap between biological survival and social success, highlighting our human capacity for resilience and flexibility in an ever-changing world.

Using 'acclimate' correctly involves understanding its grammatical patterns. It can be used as an intransitive verb (meaning the subject does the acclimating themselves) or as a transitive verb (where someone acclimates something or someone else). It is most commonly followed by the preposition 'to'. For instance, you don't just 'acclimate'; you 'acclimate to' something. This 'something' is usually the new environment or condition. In professional writing, it is often paired with reflexive pronouns like 'himself', 'herself', or 'themselves' to emphasize the effort involved in the adjustment process.

Intransitive Usage
Focuses on the person or organism naturally adjusting. Example: 'The fish need time to acclimate.'
Transitive Usage
Focuses on the action of helping something adjust. Example: 'You should acclimate the seedlings to the sun gradually.'
Passive Voice
Common in scientific reporting. Example: 'The subjects were acclimated to the laboratory conditions over five days.'

After moving to the desert, it took my body months to acclimate to the intense heat and dry air.

The university offers an orientation week to help international students acclimate to the local culture.

You cannot simply drop a tropical plant into a cold room; you must acclimate it slowly.

In academic and scientific writing, 'acclimate' is often used to describe experimental controls. For example, 'The mice were acclimated to a 12-hour light/dark cycle.' This ensures that the results of the experiment are not skewed by the stress of a new environment. In business, 'acclimate' is used to describe the 'onboarding' process. 'The new CEO spent her first month acclimating to the corporate culture before making any major structural changes.' This shows a respectful, observant approach to a new situation.

While 'acclimate' might sound like a formal or scientific term, it appears in a surprising variety of everyday contexts. You will hear it most frequently in the world of sports, particularly in endurance sports like marathon running, cycling, or mountain climbing. Commentators will often discuss how athletes arrived in a city early to 'acclimate to the humidity' or 'acclimate to the altitude.' This usage highlights the physical necessity of the word. In the corporate world, HR managers and recruiters use it during the onboarding process. They might ask, 'How are you acclimating to the new team?' which is a more professional way of asking if you are fitting in and feeling comfortable.

Sports Commentary
'The team arrived in Qatar ten days early to acclimate to the extreme heat before the tournament began.'
Gardening Shows
'Remember to acclimate your indoor starts to the outdoor breeze for a few hours each day.'
Travel Vlogs
'I'm taking it easy today in Cusco just to acclimate to the elevation before I start the trek.'

'Give yourself time to acclimate,' my mentor said when I felt overwhelmed by the new software.

The documentary explained how polar bears must acclimate to the shrinking ice caps.

In literature and long-form journalism, 'acclimate' is used metaphorically. An author might describe a character 'acclimated to the silence' of a lonely house or 'acclimated to the corruption' of a political system. In these cases, it suggests a loss of sensitivity or a gradual acceptance of something that might otherwise be shocking. It is a powerful word for describing the subtle, often invisible ways we change to survive our surroundings.

One of the most frequent mistakes with 'acclimate' is confusing it with 'adapt' or 'adjust'. While they are synonyms, 'acclimate' specifically implies a change in response to an *environment* or *climate*. You wouldn't usually 'acclimate' your seat belt; you 'adjust' it. You 'acclimate' to the cold weather of a new city. Another common error is the spelling and pronunciation confusion between the American 'acclimate' and the British 'acclimatise'. In British English, 'acclimate' is often seen as a 'lazy' Americanism, while in American English, 'acclimatise' is seen as unnecessarily long. Knowing your audience is key here.

Misuse of Prepositions
Avoid saying 'acclimate with'. The correct form is almost always 'acclimate to'.
Confusion with 'Acquiesce'
Some learners confuse the sound of 'acclimate' with 'acquiesce' (to accept reluctantly). They are very different meanings.
Overuse in Simple Contexts
Using 'acclimate' for very minor changes can sound pretentious. Use 'get used to' for everyday things.

Incorrect: I need to acclimate my volume. Correct: I need to adjust my volume.

Incorrect: He acclimated with the new rules. Correct: He acclimated to the new rules.

Finally, be careful with the noun form. 'Acclimation' is the process, but people often incorrectly use 'acclimate' as a noun. For example, 'The acclimate was difficult' is incorrect; it should be 'The acclimation period was difficult.' Ensuring you use the verb as a verb and the noun as a noun will significantly improve your formal writing and speaking clarity.

While 'acclimate' is a precise word, there are many alternatives depending on the level of formality and the specific context. If you are talking about biology, 'acclimate' or 'acclimatize' are the gold standards. If you are talking about social situations, 'adjust' or 'get used to' are more common in casual conversation. If you are talking about deep, long-term cultural change, 'assimilate' might be more appropriate, though it carries a heavier connotation of losing one's original identity. Understanding these shades of meaning allows for more sophisticated communication.

Adapt vs. Acclimate
'Adapt' is broader. You can adapt a tool, a story, or yourself. 'Acclimate' is specifically about environmental or situational adjustment.
Habituate vs. Acclimate
'Habituate' means to become used to something through frequent exposure so that you no longer react to it (like habituating to the sound of a train).
Season vs. Acclimate
'Seasoned' is often used for people (a seasoned traveler). It means they have acclimated over a very long period and gained expertise.

'Adjust': I need to adjust to the new office hours. (Neutral/Common)

'Get used to': It took me a while to get used to the spicy food. (Informal)

'Familiarize': Please familiarize yourself with the safety manual. (Professional/Specific)

In summary, choosing 'acclimate' over 'adjust' signals a higher level of vocabulary and a specific focus on the environment. It is a word that suggests a process of becoming 'at one' with a new setting. Whether you are a scientist tracking a species or a traveler entering a new country, 'acclimate' captures the essence of human and biological flexibility.

How Formal Is It?

豆知識

The word was first used in the late 18th century specifically for plants and animals.

発音ガイド

UK /əˈklaɪmətaɪz/
US /ˈækləˌmeɪt/
First syllable (AC-cli-mate) in US English.
韻が合う語
Checkmate Update Stalemate Innate
よくある間違い
  • Pronouncing it as a-CLIM-ate (incorrect stress in US).
  • Confusing it with 'accelerate'.

難易度

読解 4/5

Common in news and science articles.

ライティング 5/5

Requires correct preposition usage.

スピーキング 5/5

Pronunciation varies by dialect.

リスニング 4/5

Easy to hear but can be confused with 'acclimatize'.

次に学ぶべきこと

前提知識

Climate Adjust Environment

次に学ぶ

Assimilate Habituate Homeostasis

上級

Phenotypic plasticity Cultural assimilation

知っておくべき文法

Prepositional Verbs

Acclimate + to

レベル別の例文

1

I need to get used to the new school.

I need to acclimate to the new school.

A1 learners use 'get used to' instead.

2

The cat is getting used to the new house.

The cat is acclimating to the new house.

Present continuous tense.

1

It is essential to acclimate to the altitude before climbing higher.

Es fundamental aclimatarse a la altitud antes de seguir subiendo.

Infinitive use after 'it is essential to'.

2

The corporation focuses on helping expats acclimate to the local customs.

La corporación se enfoca en ayudar a los expatriados a aclimatarse a las costumbres locales.

Transitive use with an object (expats).

類義語

adapt adjust accustom habituate accommodate familiarize

反対語

disorient alienate maladapt

よく使う組み合わせ

acclimate to the altitude
acclimate to the culture

よく使うフレーズ

Give it time to acclimate

— Allow a person or thing the necessary period to adjust.

When you buy a new fish, give it time to acclimate to the tank water.

よく混同される語

acclimate vs Adapt

Adapt is for any change; acclimate is for environmental change.

慣用句と表現

"Find one's feet"

— To become familiar with and confident in a new situation.

It took him a few months to find his feet in the new job.

Informal

間違えやすい

acclimate vs Accelerate

Similar sound.

Accelerate means go faster; acclimate means adjust.

The car accelerated, but the driver had to acclimate to the speed.

文型パターン

B2

Subject + acclimate + to + noun

He acclimated to the new role.

語族

名詞

Acclimation
Acclimatization

動詞

Acclimate
Acclimatize

形容詞

Acclimated
Acclimatized

関連

Climate
Climatic
Climatology

使い方

frequency

Medium-High in technical/professional English.

よくある間違い
  • I need to acclimate with the weather. I need to acclimate to the weather.

    The correct preposition is 'to'.

ヒント

Use with 'to'

Always remember that acclimate is usually followed by 'to'.

暗記しよう

記憶術

Think of 'A Climate'. To acclimate is to get used to 'A new Climate'.

視覚的連想

Imagine a person slowly stepping into a cold swimming pool.

Word Web

Environment Adjustment Temperature Altitude Culture Habit Change Comfort

チャレンジ

Try to use 'acclimate' in a sentence about your last vacation.

語源

Derived from the French 'acclimater', from 'à' (to) + 'climat' (climate).

元の意味: To habituate to a new climate.

Romance/Latin roots via French.

文化的な背景

Be careful when using 'assimilate' instead of 'acclimate' regarding immigrants, as 'assimilate' can imply forced loss of culture.

Americans prefer 'acclimate', while British/Australians prefer 'acclimatise'.

Into Thin Air (Jon Krakauer) discusses acclimation at Everest. The Martian (Andy Weir) mentions acclimating to low gravity.

実生活で練習する

実際の使用場面

Moving to a new city

  • Acclimate to the pace of life
  • Acclimate to the weather

会話のきっかけ

"How long did it take you to acclimate to the weather here?"

"Do you find it easy to acclimate to new social environments?"

日記のテーマ

Describe a time you had to acclimate to a difficult situation.

Why is it important to acclimate slowly to major life changes?

よくある質問

1 問

Both are correct. 'Acclimatize' is more common in the UK, while 'acclimate' is more common in the US.

自分をテスト 32 問

writing

Write a sentence using 'acclimate' about a new job.

Well written! Good try! Check the sample answer below.

正解! おしい! 正解:
speaking

Say: 'I need time to acclimate to my new surroundings.'

Read this aloud:

正解! おしい! 正解:
listening

Listen and identify the word: 'The body must acclimate.'

正解! おしい! 正解:
正解! おしい! 正解:
writing

Describe how a fish acclimates to a new tank.

Well written! Good try! Check the sample answer below.

正解! おしい! 正解:
speaking

Talk about a time you moved and had to acclimate.

Read this aloud:

正解! おしい! 正解:
listening

Identify the stress in 'acclimate'.

正解! おしい! 正解:
正解! おしい! 正解:
writing

Write a formal email sentence using 'acclimate'.

Well written! Good try! Check the sample answer below.

正解! おしい! 正解:

/ 32 correct

Perfect score!

関連コンテンツ

Environmentの関連語

abyss

B2

深淵(しんえん)とは、非常に深い、あるいは底知れない穴、割れ目、または空虚のことです。

adaptation

B2

適応とは、新しい目的に合うように何かを変えるプロセスです。また、本に基づいた映画などの脚色も指します。

afforestation

B2

植林(しくりん)とは、これまで森林ではなかった土地に新しく木を植えて森を作ることです。

air

A1

空気は地球を囲む目に見えないガスの混合物です。

ambient

B2

特定の地域の周囲環境または背景条件、例えば温度や光を指します。名詞としては、持続的なビートの欠如と雰囲気のあるサウンドを特徴とする電子音楽のジャンルを指します。 周囲の環境や背景の状況、例えば気温や光について説明します。また、はっきりとしたビートのない、落ち着いた雰囲気を作り出す音楽のジャンルでもあります。

antimanment

C1

アンチマネジメント(antimanment)とは、特定のシステムや環境内における人間の管理や介入に対する体系的な反対または逆転を指します。通常、外部からの制御や監督なしに、自然または有機的なプロセスが進行することを許可する方針を意味します。

aquifer

B2

帯水層(たいすいそう)とは、地下にある、水を通しやすい岩石、砂利、砂、またはシルトの層で、井戸を使って地下水を汲み上げることができるものです。これは、世界の淡水需要の多くを支える自然の貯水システムとして機能します。(An aquifer is an underground layer of water-bearing rock, gravel, sand, or silt from which groundwater can be extracted using a water well. It functions as a natural storage system that supports much of the world's freshwater needs.)

arid

C1

「乾燥した」とは、雨がほとんど降らないために非常に乾燥しており、植物が育ちにくい土地や気候を表します。

aridity

C2

その地域の乾燥(ariditiy)は農業を困難にしている。

artesian

C1

水が自噴する井戸や帯水層に関する用語。

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