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English dictionary — definitions & meanings

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“I” Words

inoccupancy
noun
The state of having no occupants, the state of being unoccupied.
inoculant
noun
The active material used in an inoculation; an inoculum
inoculate
verb
To introduce an antigenic substance or vaccine into something (e.g. the body) or someone, such as to produce immunity to a specific disease.
inoculation
noun
The introduction of a vaccine or similar substance into the body to build immunity to a disease.
inoculator
noun
One who inoculates.
inoculum
noun
The active material used in an inoculation; an inoculant (i.e., a material or a dose thereof).
inoperable
adj
Describing a medical condition too advanced or dangerous to be treated by surgery.
inoperative
adj
Not working or functioning; either idle or broken.
inopportune
adj
Happening at an inconvenient or badly timed moment.
inordinate
adj
Excessive; unreasonable or inappropriate in magnitude.
inorganic
adj
Relating to matter that is not derived from living organisms, especially compounds without carbon-hydrogen bonds.
inosculate
verb
To homogenize; to make continuous.
Inoue
name
A Japanese surname.
inpatient
noun
A patient whose treatment requires at least one night's residence in a hospital; a hospitalized patient.
input
noun
Information, ideas, or effort contributed toward something.
inquest
noun
A formal legal investigation, especially into the cause of a death.
inquietude
noun
A condition of being restless, uneasy or nervous.
inquinate
verb
To pollute or make dirty.
inquire
verb
To ask for information about something.
inquiring
adj
Showing curiosity or a desire to learn.
inquiry
noun
A question or request for information.
inquisition
noun
A thorough, often aggressive investigation or interrogation.
inquisitive
adj
Eager to learn or find things out; curious.
inquisitively
adv
In an inquisitive manner; curiously.
inquisitiveness
noun
The quality of being inquisitive; curiosity.
inquisitor
noun
A person who questions someone harshly or relentlessly.
INRI
abbreviation
The four letters shown on the board above Christ's head in depictions of the crucifixion, standing for the Latin inscription meaning 'Jesus of Nazareth, King of the Jews'.
inrounding
noun
A phonetic feature found in Swedish, a form of rounding where the lips are protruded and kept relatively close together.
inrush
noun
A crowding or flooding in.
ins
verb
To insert something (informal, chiefly used in text-editing or shorthand contexts).
insane
adj
Suffering from serious mental illness; not of sound mind.
insanely
adv
To an extreme or intense degree.
insanitary
adj
Of or pertaining to a lack of sanitation; unsanitary, dirty, unhealthy.
insanity
noun
Serious mental illness; the state of being of unsound mind.
insatiable
adj
Impossible to satisfy; always wanting more.
insatiate
adj
That is not satiated; insatiable.
inscribe
verb
To write or cut (words) onto (something, especially a hard surface, or a book to be given to another person); to engrave.
inscription
noun
Words carved, engraved, or otherwise permanently marked onto a surface such as stone, metal, or a monument.
inscrutable
adj
Impossible to understand or interpret; mysterious.
inseam
noun
The measurement from the crotch of a pair of trousers down to the bottom of the leg, used as a sizing measurement.
insect
noun
A small six-legged creature with a hard outer shell, typically with wings, such as an ant, beetle, or fly.
insecticide
noun
A chemical substance used to kill insects.
insectivore
noun
Insect-eating animal or plant.
insecure
adj
Not confident about oneself; anxious or uncertain.
insecurity
noun
A lack of confidence in oneself.
inseminate
verb
To sow (to disperse or plant seeds).
insemination
noun
The introduction of sperm into a female reproductive system to cause pregnancy.
insensate
adj
Having no sensation or consciousness; unconscious; inanimate.
insensibility
noun
The property of being insensible.
insensible
adj
Unable to be perceived by the senses.
insensitive
adj
Showing little concern or care for other people feelings.
insensitivity
noun
The condition of being insensitive
inseparable
adj
So closely connected that two things or people cannot be separated.
insert
verb
To put or fit something into something else.
inserted
adj
Placed or fitted into something else.
inserting
verb
Putting or fitting something into something else (present participle of insert).
insertion
noun
The act of putting something into something else, or the thing that has been put in.
inshallah
interjection
God willing — said when hoping a future event will happen, acknowledging it's ultimately out of your hands.
inshore
adj
Close to (especially in sight of) a shore.
inside
noun
The interior or inner part of something.
insidely
adv
In an inside or internal manner; internally.
insider
noun
Someone with privileged knowledge of how a group or organization really operates.
insides
noun
The internal organs of the body, especially the stomach and intestines.
insidious
adjective
Causing harm slowly and quietly, so the danger isn't obvious until real damage is done.
insight
noun
A clear, often sudden, understanding of the true nature of something.
insightful
adjective
Showing a clear, perceptive understanding of something.
insightfulness
noun
The state or condition of being insightful.
insignia
noun
A badge, symbol, or mark that shows a person's rank, office, or membership in a group.
insignificance
noun
the state of being insignificant
insignificant
adjective
Too small or unimportant to matter.
insincere
adjective
Not honestly meaning what is said or shown; putting on an act.
insincerity
noun
The state or property of being insincere, lacking sincerity or truthfulness.
insinuate
verb
To hint at something, usually something negative, without stating it outright.
insinuation
noun
An indirect hint or suggestion, usually implying something unflattering.
insipid
adjective
Lacking flavor; bland.
insipient
adj
foolish; lacking wisdom; stupid
insist
verb
To state something firmly and repeatedly, refusing to accept disagreement.
insistence
noun
The act of demanding or stating something firmly and repeatedly.
insistency
noun
The quality of being insistent.
insistent
adjective
Firmly and persistently demanding something.
insisting
adjective
Firmly demanding something; insistent.
insobriety
noun
The state of being drunk; a lack of sobriety.
insofar
adverb
To the extent or degree that (usually used as "insofar as").
insolation
noun
The incident radiant energy emitted by the sun which reaches a unit area over a period of time, typically measured over a horizontal area at the Earth's surface or at the top of Earth's atmosphere.
insolence
noun
Rude, disrespectful, or arrogant behavior, especially toward someone owed respect.
insolency
noun
The quality of being insolent.
insolent
adjective
Rude and disrespectful, especially in a bold or arrogant way, particularly toward authority.
insolubility
noun
The quality of being insoluble
insoluble
adj
That cannot be dissolved.
insolvable
adj
Impossible to solve; insoluble.
insolvency
noun
The condition of being insolvent; the state or condition of a person who is insolvent; the condition of one who is unable to pay their debts as they fall due, or in the usual course of trade and business.
insolvent
adj
Unable to pay one's bills as they fall due.
insomnia
noun
A disorder or ongoing difficulty falling or staying asleep.
insomniac
noun
A person who has trouble sleeping, especially on a regular basis.
insouciant
adj
Casually unconcerned; carefree, indifferent, nonchalant.
insource
verb
To obtain goods or services by insourcing.
inspect
verb
To examine something carefully, often to check for problems or verify its condition.
inspecting
noun
The act of examining something closely; an inspection.
inspection
noun
A careful, close examination of something.
inspector
noun
A person whose job is to examine and check something for quality, safety, or compliance.
inspiration
noun
A person, idea, or experience that stimulates creativity or motivation.
inspirational
adjective
Having the power to inspire; encouraging or uplifting.
inspire
verb
To fill someone with the motivation or creative energy to do something.
inspired
adjective
Showing unusual creativity, skill, or energy, as if from a sudden burst of inspiration.
inspiring
adjective
Filling people with enthusiasm, motivation, or creative energy.
inspite
preposition
Nonstandard spelling of "in spite of," meaning despite.
instability
noun
The quality of not being stable or steady; a tendency to change, wobble, or collapse.
instable
adj
Exhibiting instability; unstable
Instagram
noun
A social media platform for sharing photos and videos.
instal
verb
Dated spelling of install.
install
verb
To set up equipment, software, or a system so it's ready for use.
installation
noun
The act of setting up equipment or software so it's ready for use.
installed
verb
readied for use
installment
noun
One part of something released or paid in a series over time.
instalment
noun
The standard British, Australian, and Canadian spelling of "installment."
instance
noun
A particular example or occurrence of something.
instant
adj
Happening right away, with no delay.
instantaneous
adj
Happening so fast it seems to occur at once, with no noticeable delay.
instantaneously
adv
In a way that happens immediately, with no perceptible delay.
instanter
adv
immediately; instantly; without delay.
instantly
adv
Right away; without any delay at all.
instauration
noun
A restoration after decay or dilapidation; a renewal; a repair.
instead
adv
In place of something else already mentioned; as a substitute.
instigate
verb
To start or bring about a course of action by encouraging or pushing others toward it, especially something disruptive.
instigation
noun
The act of instigating, or the state of being instigated; incitement; especially to evil or wickedness.
instigator
noun
Someone who deliberately starts or stirs up trouble, an incident, or a plan.
instil
verb
Australia, Ireland, and UK standard spelling of instill.
instill
verb
To gradually establish an idea, feeling, or value in someone's mind so it becomes part of who they are.
instinct
noun
A behavior or urge that comes naturally, without being learned.
instinctive
adj
Coming naturally and automatically, without thinking it through.
instinctively
adv
Automatically, by instinct, without stopping to think or being taught.
institute
noun
An organization set up for a particular purpose, often research, education, or a professional cause.
institution
noun
A large, established organization, especially one dedicated to education, public service, or a similar purpose.
institutional
adj
Relating to, or typical of, an institution rather than an individual.
institutionalized
adj
Made into an accepted, official part of a system or organization.
instrew
verb
To strew about; scatter in or upon; spread.
instruct
verb
To teach someone a skill or subject.
instructed
verb
Past tense and past participle of instruct: told someone officially or firmly to do something.
instruction
noun
A statement telling someone what to do, or a set of such statements.
instructive
adj
Useful for learning something; informative in a helpful way.
instructor
noun
A person who teaches a particular skill or subject, especially a practical one.
instructs
verb
Third-person singular form of "instruct" — teaches or directs someone.
instrument
noun
A tool, especially a precise one used for measuring, medical work, or scientific tasks.
instrumental
adj
Playing a key or essential role in making something happen.
instrumentalist
noun
One who plays a musical instrument, as distinguished from a vocalist.
instrumentality
noun
The condition or quality of being instrumental; being useful; serving a purpose.
instrumentation
noun
The set of instruments used for a task, or the way they are used.
insubmissive
adj
Unwilling to submit; not submissive, disobedient
insubordinate
adj
Refusing to obey orders or accept authority; defiant.
insubordination
noun
Deliberate refusal to obey someone in authority, especially a supervisor or officer.