I Set3

incumbent	adj. ~ on/upon sb necessary as part of sb's duty
incur	v. cause oneself to suffer (sth bad); bring upon oneself
incursion	n. ~ (into/on/upon sth) sudden attack on or invasion of a place (not usu made in order to occupy it permanently)
indecision	n. ~ state of being unable to decide; hesitation
indecisive	adj. not final or conclusive
indefatigable	adj. never giving up or stopping in spite of tiredness or difficulty; tireless
indelible	adj. that cannot be rubbed out or removed
indemnify	v. ~ sb (from/against sth) (law or commerce ) promise to compensate sb for any harm he may suffer
indentation	n. indenting or being indented
indenture	v. ~ sb contract sb to work as an apprentice
indeterminate	adj. not fixed or exact; vague; indefinite
indicative	adj. stating a fact or asking questions of fact
indices	pl of index
indict	v. ~ sb (law ) accuse sb officially (of sth); charge sb
indifferent	adj. ~ having no interest in sb/sth; neither for nor against sb/sth; not caring about sb/sth
indigence	n. poverty
indigenous	adj. ~ (fml ) belonging naturally (to a place); native
indigent	adj. poor
indignation	n. ~ (at/over/about sth) anger caused by sth thought to be unjust, unfair, etc
indignity	n. rude or unworthy treatment causing shame or loss of respect
indiscriminate	adj. ~ (in sth) acting without careful judgement
indisputable	adj. that cannot be disputed or denied
indissoluble	adj. that cannot be dissolved or broken up; firm and lasting
indite	write; compose
indoctrinate	v. ~ sb (usu derog ) cause sb to have (a particular set of beliefs), esp by teaching which excludes any other points of view
indolence	laziness
indolent	adj. lazy; inactive ;
indomitable	adj. that cannot be subdued or defeated; unyielding
indubitable	adj. that cannot be doubted; without doubt ;
induce	v. persuade or influence (sb) to do sth
induct	v. ~ sb install sb formally or with ceremony in a position or an office; admit sb as a member of sth
inductive	adj. based on induction
indulge	v. ~ oneself/sb (with sth) allow oneself/sb to have whatever one/he likes or wants
indulgent	adj. inclined to indulge
industrious	adj. hard-working; diligent ;
inebriate	adj. n habitually drunk (person)
inebriated	adj. drunk; intoxicated
inebriety	habitual intoxication
ineffable	adj. too great to be described in words
ineffectual	adj. lacking confidence and unable to get things done; without effect
ineluctable	adj. that cannot be escaped from
inept	adj. ~ (at sth/doing sth) completely unskilful (at sth)
inequity	n. injustice or unfairness
inerrancy	(christianity) exemption from error
inert	adj. without power to move or act
inertia	n. lack of vigour; lethargy
inestimable	adj. too great, precious, etc to be estimated
inevitable	adj. that cannot be avoided; that is sure to happen
inexorable	adj. continuing unstoppably; relentless
inextricable	adj. so closely linked that separation is impossible
infallible	adj. incapable of making mistakes or doing wrong
infamous	adj. ~ well-known as being wicked or immoral; notorious
infantile	adj. of infants or infancy
infer	v. ~ sth (from sth) reach (an opinion) from facts or reasoning; conclude sth
infernal	adj. of hell
infest	To be present in such numbers as to be a source of annoyance, trouble, or danger.
infidel	n. person with no belief in a religion, esp in what is considered to be the true religion ,
infiltrate	v. ~ (into sth) (of liquids, gases, etc) pass slowly by filtering; penetrate
infinitesimal	adj. extremelysmall
infirmity	n. weakness
inflated	adj. filled with air, gas, etc
influx	n. ~ arrival of people or things, esp suddenly and in large numbers or quantities
infraction	n. breaking of a rule, law, etc ,
infringe	v. break (a rule, an agreement, etc)
ingenious	adj. ~ (at sth/doing sth) (of a person) clever at finding new or simple solutions for complex problems
ingenue	n. simple innocent girl, esp as portrayed in plays, films, etc
ingenuous	adj. not attempting to deceive or conceal; open; innocent
ingrained	adj. deeply fixed; thorough
ingrate	ungrateful person
ingratiate	to become popular with
inherent	adj. ~ existing as a natural or permanent feature or quality of sb/sth
inhibit	v. ~ sb prevent sb from doing sth that should be natural or easy to do
inhibited	adj. (of people) unable to relax or express one's feelings in a natural and spontaneous way
inimical	adj. ~ (fml ) unfriendly; hostile
inimitable	adj. impossible to imitate; too good, clever, etc to imitate
iniquitous	adj. very wicked or unjust
initiate	v. put (a scheme, etc) into operation; cause (sth) to begin
injurious	adj. ~ (to sb/sth) causing or likely to cause injury; harmful
inkling	n. ~ slight knowledge (of sth secret or not previously known); hint
innate	adj. in one's nature; possessed from birth
innocuous	adj. causing no harm
innovation	n. innovating
innuendo	n. (derog ) indirect reference (usu suggesting sth bad or discreditable about sb)
inopportune	adj. not appropriate or convenient
inordinate	adj. beyond proper or normal limits; excessive
inquisitive	adj. fond of inquiring into other people's affairs
inquisitor	n. investigator, esp an officer of the Inquisition
inroad	n. ~ (into sth) sudden attack on another's territory; raid
insalubrious	adj. unhealthy
insatiable	adj. ~ that cannot be satisfied; very greedy
inscrutable	adj. that cannot be understood or known; mysterious
insensate	adj. without the power to feel or experience
insensible	adj. unconscious as the result of injury, illness, etc
insidious	adj. spreading or acting gradually and unnoticed but with harmful effects
insightful	adj. showing insight
insinuate	v. ~ sth suggest sth (to sb) unpleasantly and indirectly
insipid	adj. having almost no taste or flavour
insolence	n. ~ being insolent
insolvent	adj. unable to pay debts; bankrupt ;
insomnia	n. inability to sleep
insouciant	lighthearted unconcern:NONCHALANCE
instigate	v. cause to begin or happen; initiate
institute	n. society or organization for a special (usu social, professional or educational) purpose