Vocabularies

English Vocabulary Dictionary | Word Meanings, Definitions & Examples

noun
/ˌɪnstəˈbɪləti/

lack of stability or balance; tendency to change, fail, or collapse easily

"Political instability has slowed economic growth in the region."

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instable

adjective
/ɪnˈsteɪbəl/

not stable; liable to change, collapse, or fail; lacking firmness or reliability

"The instable political situation worried foreign investors."

install definition card — visual illustration of the meaning
verb
/ɪnˈstɔːl/

To place or fix equipment or software so it is ready for use.

"He installed the new software on his computer."

installation definition card — visual illustration of the meaning
noun
/ˌɪnstəˈleɪʃən/

the act or process of putting something in position and making it ready for use

"The installation of the new software took less than an hour."

noun
/ˈɪnstəns/

An example or single occurrence of something.

"This is just one instance of his generosity."

instant definition card — visual illustration of the meaning
noun/adjective
/ˈɪnstənt/

A very short period of time; happening immediately.

"He replied in an instant without hesitation."

adjective
/ˌɪnstənˈteɪniəs/

Happening immediately, without any delay.

"The change in temperature was almost instantaneous."

adverb
/ˈɪnstəntli/

immediately, without any delay

"He replied instantly to the message."

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instate

verb
/ɪnˈsteɪt/

To set up in position, office, or authority.

"The board decided to instate her as the new director."

adverb
/ɪnˈstɛd/

As an alternative or substitute.

"She didn’t buy the dress; instead, she chose a pair of shoes."

verb
/ˈɪnstɪˌɡeɪt/

To bring about or initiate an action, often something negative.

"He was accused of instigating the riot."

noun
/ˈɪnstɪˌɡeɪtər/

A person who brings about or initiates something, usually something bad.

"The police identified him as the instigator of the violence."

verb
/ɪnˈstɪl/

to gradually but firmly establish an idea, attitude, or habit in someone's mind

"Parents try to instill good values in their children."

noun
/ˈɪnstɪŋkt/

A natural way of behaving or reacting that does not require learning.

"Birds build nests by instinct."

instinctive definition card — visual illustration of the meaning
adjective
/ɪnˈstɪŋk.tɪv/

Based on instinct; done without conscious thought; natural and automatic.

"His instinctive reaction saved his life."

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institute

noun, verb
/ˈɪnstɪˌtjuːt/

as a noun, an organization founded for a specific purpose; as a verb, to establish or initiate

"The university decided to institute new rules for the library."

institution definition card — visual illustration of the meaning
noun
/ˌɪnstɪˈtjuːʃən/

an established organization, especially one dedicated to education, public service, or a particular purpose

"The hospital is a respected institution in the community."

adjective
/ˌɪnstɪˈtjuːʃənl/

Relating to an organization or established practice.

"The government made several institutional reforms in education."

verb
/ˌɪnstɪˈtjuːʃənəlaɪz/

to establish something as a formal institution, custom, or practice

"The government seeks to institutionalize environmental protection."

instruct definition card — visual illustration of the meaning
verb
/ɪnˈstrʌkt/

to tell or teach someone how to do something

"The teacher instructed the students to complete the assignment."

noun
/ɪnˈstrʌkʃən/

Detailed information telling how something should be done or operated.

"Please read the instruction carefully before using the machine."

adjective
/ɪnˈstrʌkʃənəl/

providing knowledge or information; intended to teach

"The website offers many instructional videos for beginners."

noun
/ɪnˈstrʌkʃənz/

Detailed information on how something should be done or operated.

"Please follow the instructions on the box."

adjective
/ɪnˈstrʌktɪv/

useful and informative; providing knowledge or instruction

"The lecture was highly instructive and engaging."

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instructor

noun
/ɪnˈstrʌktər/

A person who teaches a subject or skill.

"The driving instructor was very patient with new learners."

instrument definition card — visual illustration of the meaning
noun
/ˈɪnstrəmənt/

A tool or device used for a particular purpose, especially for scientific or musical work.

"The doctor used a special instrument during the surgery."

instrumental definition card — visual illustration of the meaning
adjective
/ˌɪnstrʊˈmɛntəl/

serving as an instrument or means to an end; helpful or useful

"His instrumental role in the project was vital to its success."

noun
/ˌɪn.strəˈmɛn.təl.ɪst/

A person who plays a musical instrument.

"The instrumentalist played a beautiful solo on the violin."

adjective
/ˌɪn.səˈbɔːr.dɪ.nət/

Defiant of authority; disobedient to orders.

"The insubordinate employee refused to follow the manager's instructions."

noun
/ˌɪn.səˌbɔːr.dɪˈneɪ.ʃən/

Defiance of authority; refusal to obey orders.

"The soldier was punished for insubordination during the mission."

adjective
/ˌɪn.səbˈstæn.ʃəl/

Lacking strength, substance, or solidity.

"The evidence provided was insubstantial and unconvincing."

adjective
/ɪnˈsʌf.ər.ə.bəl/

Too extreme to bear; intolerable.

"The heat during the summer was insufferable."

noun
/ˌɪnsəˈfɪʃənsi/

The state of not being enough or not being adequate.

"The project failed due to the insufficiency of funds."

adjective
/ˌɪnsəˈfɪʃənt/

Not enough; inadequate.

"His explanation was insufficient to clear the confusion."

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insular

adjective
/ˈɪnsjələr/

Narrow-minded, isolated, or relating to an island.

"The community was criticized for its insular attitudes toward outsiders."

insularity definition card — visual illustration of the meaning
noun
/ˌɪnsjəˈlærəti/

The state of being isolated or narrow-minded.

"The insularity of the group prevented them from accepting new ideas."

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insulate

verb
/ˈɪnsjuleɪt/

To protect something by covering it, especially to prevent heat, sound, or electricity from escaping or entering.

"The house was insulated to reduce heating costs."

insulation definition card — visual illustration of the meaning
noun
ˌɪnsjʊˈleɪʃən

Material used to prevent heat, sound, or electricity from being transmitted from one area to another.

"Insulation of food storage areas can prevent pests from entering."

insult definition card — visual illustration of the meaning
verb
/ˈɪnsʌlt/

to speak to or treat someone with disrespect or scorn

"He insulted her by calling her lazy in front of everyone."

insuperable definition card — visual illustration of the meaning
adjective
/ɪnˈsuːpərəbl/

Impossible to overcome or surpass.

"The team faced insuperable challenges during the expedition."

adjective
/ˌɪnsəˈpɔːrtəbl̩/

Too extreme or difficult to be endured.

"The heat was insupportable during the long journey."

adjective
/ˌɪnsəˈprɛsəbl/

That cannot be suppressed or restrained.

"She had an insuppressible urge to laugh during the ceremony."

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insurance

noun
/ɪnˈʃʊərəns/

An arrangement by which a company provides compensation for loss, damage, or illness in return for a premium.

"He bought health insurance to cover medical expenses."

insure definition card — visual illustration of the meaning
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insure

verb
/ɪnˈʃʊr/

to arrange for compensation in case of loss or damage, typically by taking out insurance

"You should insure your car against theft or accidents."

noun
/ɪnˈsɜːrdʒəns/

An act of rebellion or uprising against authority.

"The government struggled to contain the growing insurgence."

noun
/ɪnˈsɜːrdʒənt/

A person who rises in revolt against authority or government.

"The army arrested several insurgents after the attack."

adjective
/ˌɪnsərˈmaʊntəbl/

Too great to be overcome.

"The explorers faced insurmountable odds in the desert."

noun
/ˌɪnsəˈrɛkʃən/

A violent uprising against an authority or government.

"The army was called in to suppress the insurrection."

adjective
/ɪnˈtækt/

Remaining whole, complete, and undamaged.

"Despite the storm, the old house remained intact."

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intake

noun
/ˈɪnˌteɪk/

the process of taking something in, especially food or drink

"He monitored his daily intake of calories to maintain a healthy diet."