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 in 30 Seconds

  • 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?

Formal

""

Neutral

""

Informal

""

Child friendly

""

Slang

""

Fun Fact

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

Pronunciation Guide

UK /əˈklaɪmətaɪz/
US /ˈækləˌmeɪt/
First syllable (AC-cli-mate) in US English.
Rhymes With
Checkmate Update Stalemate Innate
Common Errors
  • Pronouncing it as a-CLIM-ate (incorrect stress in US).
  • Confusing it with 'accelerate'.

Difficulty Rating

Reading 4/5

Common in news and science articles.

Writing 5/5

Requires correct preposition usage.

Speaking 5/5

Pronunciation varies by dialect.

Listening 4/5

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

What to Learn Next

Prerequisites

Climate Adjust Environment

Learn Next

Assimilate Habituate Homeostasis

Advanced

Phenotypic plasticity Cultural assimilation

Grammar to Know

Prepositional Verbs

Acclimate + to

Examples by Level

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).

Synonyms

adapt adjust accustom habituate accommodate familiarize

Antonyms

disorient alienate maladapt

Common Collocations

acclimate to the altitude
acclimate to the culture

Common Phrases

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.

Often Confused With

acclimate vs Adapt

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

Idioms & Expressions

"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

Easily Confused

acclimate vs Accelerate

Similar sound.

Accelerate means go faster; acclimate means adjust.

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

Sentence Patterns

B2

Subject + acclimate + to + noun

He acclimated to the new role.

Word Family

Nouns

Verbs

Adjectives

Related

How to Use It

frequency

Medium-High in technical/professional English.

Common Mistakes
  • I need to acclimate with the weather. I need to acclimate to the weather.

    The correct preposition is 'to'.

Tips

Use with 'to'

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

Memorize It

Mnemonic

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

Visual Association

Imagine a person slowly stepping into a cold swimming pool.

Word Web

Environment Adjustment Temperature Altitude Culture Habit Change Comfort

Challenge

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

Word Origin

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

Original meaning: To habituate to a new climate.

Romance/Latin roots via French.

Cultural Context

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.

Practice in Real Life

Real-World Contexts

Moving to a new city

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

Conversation Starters

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

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

Journal Prompts

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

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

Frequently Asked Questions

1 questions

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

Test Yourself 32 questions

writing

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

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

Correct! Not quite. Correct answer:
speaking

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

Read this aloud:

Correct! Not quite. Correct answer:
listening

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

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
writing

Describe how a fish acclimates to a new tank.

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

Correct! Not quite. Correct answer:
speaking

Talk about a time you moved and had to acclimate.

Read this aloud:

Correct! Not quite. Correct answer:
listening

Identify the stress in 'acclimate'.

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
writing

Write a formal email sentence using 'acclimate'.

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

Correct! Not quite. Correct answer:

/ 32 correct

Perfect score!

Related Content

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abyss

B2

An abyss is an extremely deep or seemingly bottomless hole, chasm, or void. Metaphorically, it refers to a catastrophic situation, a profound difference between two things, or an overwhelming state of negative emotion like despair.

adaptation

B2

Adaptation is the process of changing something so that it is suitable for a new purpose, situation, or environment. It can also refer to a movie, television program, or stage play that is based on a written work like a book.

afforestation

B2

Afforestation is the process of establishing a forest on land that has not recently been covered by trees. It involves planting seeds or saplings to create new wooded areas, often to improve the environment or for commercial timber.

air

A1

The invisible mixture of gases that surrounds the Earth and which humans and animals breathe. It also refers to the open space above the ground or the general atmosphere of a place.

ambient

B2

Refers to the surrounding environment or the background conditions of a particular area, such as temperature or light. As a noun, it specifically identifies a genre of electronic music characterized by atmospheric sounds and a lack of a persistent beat.

antimanment

C1

The systematic opposition to or reversal of human management and intervention within a specific system or environment. It typically refers to the policy of allowing natural or organic processes to occur without external control or supervision.

aquifer

B2

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 serves as a natural storage system that sustains many of the world's freshwater needs.

arid

C1

Describes land or a climate that is extremely dry because it receives very little rain, making it difficult for plants to grow. Figuratively, it can also describe something that is dull, lifeless, or lacking in interest and new ideas.

aridity

C2

The state of being deficiency in moisture, especially regarding a climate or land that is extremely dry and unable to support much vegetation. Figuratively, it refers to a lack of interest, excitement, or creative spirit in a piece of work or a person's life.

artesian

C1

A term referring to a well or aquifer where water rises to the surface under its own internal pressure without the need for a pump. This phenomenon occurs when water is trapped between layers of impermeable rock and is replenished from a higher elevation, creating hydrostatic pressure.

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