isolate

1 of 3

verb

iso·​late ˈī-sə-ˌlāt 

 also  ˈi-

isolated; isolating

transitive verb

1

: to set apart from others

also : quarantine

2

: to select from among others

especially : to separate from another substance so as to obtain pure or in a free state

3

: insulate

isolator

ˈī-sə-ˌlā-tər 

 also  ˈi-

noun

isolate

2 of 3

adjective

iso·​late ˈī-sə-lət  -ˌlāt 

 also  ˈi-

: being alone : solitary, isolated

isolate

3 of 3

noun

iso·​late ˈī-sə-lət  -ˌlāt 

 also  ˈi-

1

: an individual, population, strain, or culture obtained by or resulting from selection or separation

2

: an individual socially withdrawn or removed from society

Synonyms

Verb

• cut off
• insulate
• seclude
• segregate
• separate
• sequester

Noun

• anchorite
• eremite
• hermit
• recluse
• solitary

Examples of isolate in a Sentence

Verb

These policies will only serve to isolate the country politically and economically.

Certain patients must be isolated in a separate ward.

When he wants to work, he isolates himself in his office and won't talk to anyone.

Scientists have isolated the gene that causes the disease.

Noun

interpersonal relationships are very stressful for him, so he lives as a virtual isolate

Recent Examples on the Web

Verb

More than 100 bridges would be lost, power lines toppled and coastal towns isolated. —Grace Toohey, Los Angeles Times, 6 Dec. 2024

Rahal’s current iteration of David includes milk protein isolate, collagen and whey protein, and is held together with allulose and polydextrose. —Simone Melvin, Forbes, 6 Dec. 2024

Noun

While the overall prevalence of ceftriaxone-resistance isolates was 8.1 percent among the 2,804 isolates, five of those 13 provinces had prevalence rates above 10 percent. —Beth Mole, Ars Technica, 28 Mar. 2024

Although soy and soy protein isolate are accessible in the U.S., what is currently lacking is wet spinning capacity to make the yarn. —Sj Studio, Sourcing Journal, 6 Nov. 2024

Word History

Etymology

Verb

back-formation from isolated set apart, from French isolé, from Italian isolato, from isola island, from Latin insula

First Known Use

Verb

1799, in the meaning defined at sense 1

Adjective

1819, in the meaning defined above

Noun

1890, in the meaning defined at sense 1

Phrases Containing isolate

• self-isolate

Kids Definition

isolate

verb

iso·​late

ˈī-sə-ˌlāt,

 also  ˈis-ə-

isolated; isolating

: to set or keep apart from others

Etymology

Verb

derived from French isolé (adjective) "isolated, set off from others," from Italian isola "island," from Latin insula "island" — related to insulate, isle, peninsula

Medical Definition

isolate

1 of 2 transitive verb

iso·​late ˈī-sə-ˌlāt 

isolated; isolating

: to set apart from others: as

a

: to separate (one with a contagious disease) from others not similarly infected

b

: to separate (as a chemical compound) from all other substances : obtain pure or in a free state

isolate

2 of 2 noun

iso·​late ˈī-sə-lət  -ˌlāt 

1

: an individual (as a spore or single organism), a viable part of an organism (as a cell), or a strain that has been isolated (as from diseased tissue, contaminated water, or the air)

also : a pure culture produced from such an isolate

2

: a relatively homogeneous population separated from related populations by geographic, biologic, or social factors or by human intervention

3

: a socially withdrawn individual