Ideal
A standard of perfection, beauty, or excellence; someone who deserves to be imitated and admired; exactly right for a particular purpose, situation, or person; perfect (adjective)
Existing as a mental image or in fancy imagination only, lacking practicall
Identical
Being exactly alike or equal; having such close resemblance as to be essentially the same (adjective)
Ignoble
Formal; not deserving respect; not noble or honorable; characterized by baseness (adjective)
Illiterate
Having little or no education; unable to read or write (adjective)
Having or showing a lack of knowledge about a particular subject (adjective)
Illustrate
to give examples in order to make something easier to understand (verb)
to provide with pictures intended to explain or decorate (verb)
Image
The idea that people have about someone or something; a picture that is produced by a camera, artist, or mirror; a reproduction or imitation of the form of a person or thing (noun)
Imbue
to cause to be deeply affected by a feeling or to have a certain quality (verb)
Immense
Very great in size or amount; supremely good (adjective)
Imminent
Happening very soon; just around the corner (adjective)
Impassive
Not showing emotion (adjective)
Impeach
to charge a public official with crime committed while in office; to cause doubts about the truthfulness of; to challenge the credibility or validity of (verb)
Impeccable
Free from fault, blame, or error; not capable of sinning or not liable to sin (adjective)
Impede
to slow the movement, progress, or action of someone or something (verb)
Imperative
Very important; not to be avoided; necessary; expressing a command (adjective)
Imperious
Commanding, domineering, expecting obedience (adjective)
Impish
Having or showing a playful desire to cause trouble; playful and mischievous (adjective)
Implement
to make active or effective (verb)
Imply
to suggest something without saying or showing it plainly; to express indirectly (verb)
Import
to bring a product into a country to be sold; to bring into a country from another country (verb)
Impose
to force someone to accept (verb)
Impotent
Lacking power, strength, or vigor (adjective)
Impress
to cause or feel admiration or interest; to produce a vivid impression (verb)
Impressive
Deserving attention, admiration, or respect; made or done without preparation (adjective)
Impromptu
Not prepared ahead of time; made or done without preparation (adjective)
Imprudent
Not wise or sensible; not prudent; lacking discretion, wisdom, or good judgement (adjective)
Impulsive
Done suddenly and without planning; resulting from a sudden impulse (adjective)
Inadequate
Not enough or not good enough; insufficient; not capable (noun)
Inalienable
Impossible to take away or give; incapable of being alienated, surrendered, or transferred (adjective)
Inane
Very silly or stupid; lacking significance, meaning, or point (adjective)
Inarticulate
Not able to express ideas clearly and effectively in speech or writing; not articulate (adjective)
Inauspicious
Not showing or suggesting that future success is likely; not auspicious (adjective)
Incentive
Something that encourages a person to do something or to work harder (noun)
Incessant
Continuing without stopping; often used to describe something that is unpleasant or annoying (adjective)
Incite
to cause someone to act in an angry, harmful, or violent way (verb)
Inclement
Having rain and storms; stormy; lacking mildness (adjective)
Incorrigible
Not able to be corrected, changed, or reformed (adjective)
Incredible
Difficult or impossible to believe (adjective)
Extremely good, great, or large; amazing, extraordinary (adjective)
Increment
A usually small amount or degree by which something is made larger or greater; something gained or added (noun)
Indecent
Not appropriate or proper; using language that people find grossly improper or offensive (adjective)
Indefatigable
Able to work for a very long time without becoming tired; incapable of being fatigued; tireless (adjective)
Indicate
to direct attention to by pointing; to show that something exists or is true (verb)
Indispensable
Extremely important and absolutely necessary, essential; not subject to being set aside or neglected (adjective)
Industrious
Working very hard, not lazy; constantly active or occupied; diligent (adjective)
Industry
The habit of working hard and steadily; the process of making products by using machinery and factories (noun)
Inept
Lacking skill or ability; not done well; lacking in fitness or aptitude; unfit; lacking sense or reason; foolish (adjective)
Inextricable
Impossible to separate; closely joined or related (adjective)
Forming a maze or tangle from which it is impossible to escape (adjective)
Infamous
Well-known for being bad; known for evil acts or crimes; having a reputation of the worst kind (adjective)
Inflammable
Capable of being set on fire and of burning quickly; flammable (adjective)
Inhabit
to live in a place; to have residence in a place; to be present in something (verb)
Inhibit
to keep someone from doing what he pr she wants to do; to suppress or prevent (verb)
Initiate
to cause or begin; to introduce to a new interest or activity (verb)
Innocuous
not likely or bother or offend anyone (adjective)
Innovate
to begin something new; to make changes; to have new ideas about how something can be done (verb)
Inopportune
Not suitable or right fora particular situation, inconvenient; done or happening at the wrong time (adjective)
Inquire
to ask a question; to seek information by questioning; to investigate (verb)
Inquiry
A request for information; the act of asking questions in order to gather or collect information (noun)
Inquisitive
Tending to ask questions; having a desire to know or learn more; curious (adjective)
Insane
Mentally disordered; exhibiting insanity (adjective)
Insanity
Severe medical illness; the condition of being insane (noun)
Inscribe
to write, engrave, or cut words as a lasting record, often in stone or jewelry (verb)
Insensitive
Not sensitive; showing that one does not know or care about the feelings of other people; lacking feeling or tact (adjective)
Insinuate
to communicate something bad or insulting in an indirect way (verb)
Insipid
Not interesting or exciting; boring; lacking strong flavor; bland; lacking in qualities that stimulate or challenge (adjective)
Insolent
Having or showing a lack of respect for other people; rude or impolite (adjective)
Insolvent
Not having enough money to pay debts (adjective)
Insomnia
The condition of not being able to sleep; inability to get enough sleep (noun)
Inspire
to make someone want to do something; to stimulate to creativity or action (verb)
Instill
to gradually cause to have an attitude or feeling; to impart gradually (verb)
Intact
Not broken or damaged; having every part (adjective)
Interment
The act of burying a dead person; burial (noun)
Intermittent
Starting, stopping, and starting again; not constant or steady; at irregular intervals (adjective)
Intervene
occur in time between events; to become involved in something such as a conflict in order to have an influence on what happens (verb)
Intramural
Existing or occurring within the limits of a school; contested only within the student body (adjective)
Intrepid
Feeling no fear; very bold or brave (adjective)
Intrigue
to make secret plans; secret arrangement; plotting (verb)
Introvert
A reserved or shy person; a quiet person who does not find it easy to talk to other people (noun)
Inundate
to cover with a flood of water, overflow (verb)
Invaluable
Extremely valuable or useful; valuable beyond estimation; priceless (adjective)
Invention
The action of making something new, typically or process or devise (noun)
Invigorate
to give life and energy to someone or something; to animate (verb)
Irate
Arising from anger; very angry (adjective)
Ire
Intense and usually openly displayed anger (noun)
Irregular
Not normal or usual; not following the usual rules about what should be done; lacking continuity or regularity, especially of occurrence or activity (adjective)
Irrelevant
Not important or relating to what is being discussed; not relevant; inapplicable (adjective)
Irritable
Becoming angry or annoyed easily; capable of being irritated; easily exasperated or excited (adjective)
Itinerant
Traveling from place to place; staying in a place for only a short amount of time (adjective)