345+ Synonyms For Isolate with Meanings and Examples In 2026

Quick Answer

Isolate means to separate someone or something from others, or to keep a thing apart for study. Common swaps include separate, segregate, detach, quarantine, and set apart.

You are writing a lab report and the word isolate appears in nearly every step. The repetition makes the method section feel mechanical. This article offers 50 synonyms of isolate, each with a short meaning and two example sentences. The verb covers several senses. This can mean to set a person apart from a group, as in a patient kept away from others.

It can mean to remove one part from a whole, as in a scientist separating a single chemical. This can also mean to cut something off from contact, as in a village stranded by a flood. Writers seek alternatives because the same term grows dull with overuse. A medical note may need a precise word, while a story may want something emotional. The list ahead covers that range, followed by a short quiz and common questions. Use it whenever a sentence needs a fresher way to describe separation.

Table of Contents

50 Synonyms for Isolate

1. Separate

Short Meaning: To move apart or keep apart from others.

Example 1: The teacher separated the noisy pair.

Example 2: Separate the whites from the yolks.

2. Segregate

Short Meaning: To keep groups apart, often by rule.

Example 1: The old law segregated schools by race.

Example 2: The bins segregate glass from plastic.

3. Detach

Short Meaning: To remove something from what it was joined to.

Example 1: Detach the receipt before mailing the form.

Example 2: He detached the trailer from the truck.

4. Quarantine

Short Meaning: To keep a person or animal away to stop disease.

Example 1: The farm quarantined the sick animals.

Example 2: Travelers were quarantined for two weeks.

5. Set apart

Short Meaning: To keep someone or something distinct.

Example 1: Her calm set her apart from the crowd.

Example 2: The room is set apart for quiet study.

6. Cut off

Short Meaning: To stop contact or supply.

Example 1: The storm cut off the mountain village.

Example 2: He cut off all contact with his old friends.

7. Seclude

Short Meaning: To keep someone away from others on purpose.

Example 1: The writer secluded himself to finish the book.

Example 2: They secluded the patient in a quiet room.

8. Sequestrate

Short Meaning: To take and hold something apart, often legally.

Example 1: The court sequestrated the disputed funds.

Example 2: Officials sequestrated the illegal goods.

9. Insulate

Short Meaning: To protect by keeping something apart.

Example 1: The thick walls insulate the house from noise.

Example 2: He insulated his team from outside pressure.

10. Withdraw

Short Meaning: To pull back or remove from a place.

Example 1: The troops withdrew from the border.

Example 2: She withdrew from the race after an injury.

11. Remove

Short Meaning: To take something away from a place.

Example 1: Please remove your shoes at the door.

Example 2: The surgeon removed the damaged tissue.

12. Extract

Short Meaning: To pull something out with care.

Example 1: The dentist extracted the bad tooth.

Example 2: The lab extracted DNA from the sample.

13. Excise

Short Meaning: To cut something out completely.

Example 1: The editor excised the whole paragraph.

Example 2: Surgeons excised the small tumor.

14. Weed out

Short Meaning: To remove unwanted parts from a group.

Example 1: The coach weeded out weaker players.

Example 2: The test weeds out faulty parts.

15. Screen off

Short Meaning: To block something from view or contact.

Example 1: A curtain screens off the exam room.

Example 2: They screened off the work area.

16. Partition

Short Meaning: To divide a space or group into parts.

Example 1: A wall partitions the office into two rooms.

Example 2: The plan partitions the land among heirs.

17. Divide

Short Meaning: To split into smaller parts.

Example 1: Divide the class into four groups.

Example 2: The river divides the two towns.

18. Split

Short Meaning: To break apart into pieces or sides.

Example 1: The party split into rival camps.

Example 2: She split the log with one clean blow.

19. Partition off

Short Meaning: To block an area apart from the rest.

Example 1: They partitioned off a small pantry.

Example 2: The corner was partitioned off for storage.

20. Fence off

Short Meaning: To enclose an area to keep things apart.

Example 1: The pool is fenced off for safety.

Example 2: Workers fenced off the wet paint.

21. Cordon off

Short Meaning: To surround an area to keep people out.

Example 1: Police cordoned off the busy street.

Example 2: The site was cordoned off after the leak.

22. Seal off

Short Meaning: To close an area completely.

Example 1: Crews sealed off the damaged pipe.

Example 2: The building was sealed off for tests.

23. Block off

Short Meaning: To stop access to a place.

Example 1: Barriers blocked off the main road.

Example 2: They blocked off the stage before the show.

24. Close off

Short Meaning: To stop entry or contact.

Example 1: The garden is closed off in winter.

Example 2: He closed off his feelings after the loss.

25. Shut off

Short Meaning: To stop a flow or cut a link.

Example 1: Shut off the water before the repair.

Example 2: The village was shut off by snow.

26. Shut away

Short Meaning: To keep someone hidden from others.

Example 1: The old man shut himself away for years.

Example 2: The records are shut away in a vault.

27. Lock away

Short Meaning: To store something safely apart.

Example 1: Lock away the tools after work.

Example 2: The jewels are locked away in a safe.

28. Confine

Short Meaning: To keep someone or something within limits.

Example 1: The illness confined her to bed.

Example 2: Please confine your remarks to the topic.

29. Intern

Short Meaning: To hold someone prisoner, often in war.

Example 1: The soldiers were interned in a camp.

Example 2: The state interned citizens during the war.

30. Imprison

Short Meaning: To put someone in prison.

Example 1: He was imprisoned for fraud.

Example 2: The regime imprisoned its critics.

31. Incarcerate

Short Meaning: To keep someone locked up.

Example 1: The court incarcerated him for five years.

Example 2: Many are incarcerated for minor crimes.

32. Detain

Short Meaning: To hold someone in official custody.

Example 1: Police detained two men for questioning.

Example 2: The guard detained him at the gate.

33. Maroon

Short Meaning: To leave someone stranded alone.

Example 1: The storm marooned the crew on the island.

Example 2: The bus strike marooned commuters.

34. Strand

Short Meaning: To leave someone stuck without help.

Example 1: The flood stranded hundreds of drivers.

Example 2: The delay stranded us at the airport.

35. Cast away

Short Meaning: To leave someone alone in a far place.

Example 1: The sailor was cast away on a small island.

Example 2: The film shows a family cast away at sea.

36. Disconnect

Short Meaning: To break a link or supply.

Example 1: The plumber disconnected the old pipe.

Example 2: He disconnected from social media for a month.

37. Unplug

Short Meaning: To remove a device from power.

Example 1: Unplug the lamp before you leave.

Example 2: She unplugged the router to reset it.

38. Sever

Short Meaning: To cut a link or connection.

Example 1: He severed ties with the firm.

Example 2: The accident severed the cable.

39. Cut ties

Short Meaning: To end a relationship completely.

Example 1: The firm cut ties with the supplier.

Example 2: She cut ties with her old circle.

40. Break off

Short Meaning: To end something suddenly.

Example 1: They broke off the talks after an hour.

Example 2: He broke off the engagement last spring.

41. Alienate

Short Meaning: To make someone feel apart from others.

Example 1: His harsh tone alienated the whole team.

Example 2: The rule alienated many loyal customers.

42. Estrange

Short Meaning: To turn someone away from a close bond.

Example 1: The quarrel estranged the two brothers.

Example 2: Fame estranged him from old friends.

43. Ostracize

Short Meaning: To shut someone out from a group.

Example 1: The class ostracized the new student.

Example 2: He was ostracized for speaking up.

44. Shun

Short Meaning: To avoid someone on purpose.

Example 1: The village shunned the family for years.

Example 2: She shunned the press after the trial.

45. Exclude

Short Meaning: To leave someone or something out.

Example 1: The list excludes part time staff.

Example 2: He felt excluded from the group chat.

46. Blackball

Short Meaning: To block someone from joining a group.

Example 1: The club blackballed his application.

Example 2: Rival firms tried to blackball her.

47. Boycott

Short Meaning: To refuse contact with a person or group.

Example 1: Shoppers boycotted the brand.

Example 2: The team boycotted the meeting.

48. Excommunicate

Short Meaning: To remove someone from a religious group.

Example 1: The church excommunicated the priest.

Example 2: He was excommunicated for his views.

49. Section off

Short Meaning: To divide an area into separate parts.

Example 1: Workers sectioned off the wet floor.

Example 2: The field was sectioned off for tents.

50. Single out

Short Meaning: To choose one person or thing apart from the rest.

Example 1: The coach singled out the young striker.

Example 2: She was singled out for special praise.

Short Quiz

1: What does isolate mean in simple terms?

A. join things together
B. separate someone or something from others
C. sell a product
D. forget a promise

2: Which word best fits this sentence? The farm ______ the sick animals.

A. Quarantined
B. Painted
C. Cooked
D. Planted

3: How does seclude differ from exclude?

A. They mean exactly the same thing
B. Seclude means keeping someone away on purpose, exclude means leaving someone out
C. Seclude is casual slang
D. Exclude only applies to objects

4: Which choice sounds most formal in a medical report?

A. Cut off
B. Weed out
C. Quarantine
D. Shut away

5: A small village loses all contact with the outside world after a flood. Which phrase fits best?

A. Cut off
B. Single out
C. Screen off
D. Set apart

Quiz Answers

B. It means to separate someone or something from others, or to keep a thing apart.

A. Quarantined fits because it means to keep a person or animal away to stop disease.

B. Seclude means keeping someone away on purpose, while exclude means leaving someone out.

C. Quarantine suits a medical report because it means to keep a person or animal away to stop disease.

A. Cut off works because it means to stop contact or supply.

FAQs

1: What is the best synonym for isolate?

Separate is often the best general choice because it covers the core idea in plain terms.

2: What is the simple meaning of isolate?

It means to separate someone or something from others, or keep a thing apart.

3: What is a suitable formal alternative?

Quarantine works well in medical, scientific, and official writing.

4: Can these words describe people and groups?

Yes, terms like ostracize, shun, and alienate all describe social separation.

5: What is the opposite of isolate?

Integrate is a common opposite, meaning to bring someone or something into a group.

Conclusion

This set of synonyms of isolate gives writers, scientists, and students many ways to describe separation. Some options point to physical distance, such as detach or cordon off, while others describe social distance, like shun or estrange. The right pick depends on context, tone, and the exact kind of separation you mean. A lab report may call for extract, yet a story may prefer shut away. Think about your reader before choosing a word. Read the sentence aloud and check that it sounds natural. Careful choices keep your writing clear and precise. Keep this list nearby during editing, and let every sentence do its work well.