illegitimate  | a. not according to law; not regular or authorized; unlawful; improper  |  
 illustrious  | a. possessing luster or brightness; brilliant; luminous; splendid  |  
 impeach  | v. make an accusation against; challenge or discredit the credibility of  |  
 imperative  | n. having power command or control; critically importance; some duty that is essential and urgent  |  
 imperial  | a. like an emperor; related to an empire; ruling over extensive territories  |  
 impertinent  | a. improperly forward or bold; rude  |  
 impoverish  | v. make poor; reduce to poverty or indigence; exhaust the strength, richness, or fertility of  |  
 impregnate  | v. infuse or fill completely; fertilize and cause to grow; make pregnant  |  
 inaccessible  | a. unreachable; not available; unattainable  |  
 incandescent  | a. strikingly bright; shining with intense heat; emitting light as result of being heated  |  
 incision  | n. cutting into a substance; cut into a body tissue or organ, especially one made during surgery  |  
 inclination  | n. preference; tendency; inclined surface; slope  |  
 inclusive  | a. tending to include all; taking a great deal or everything within its scope  |  
 incorporate  | v. combine something into a larger whole; unite  |  
 incriminate  | v. accuse of a crime or other wrongful act; suggest that someone is guilty  |  
 indemnify  | v. make amends for; pay compensation for; secure against future loss, damage, or liability  |  
 indisposed  | a. averse; disinclined; unwilling to do a task  |  
 induce  | v. persuade; bring about; reason or establish by induction  |  
 inducement  | n. something that helps bring about an action or a desired result; an incentive  |  
 inert  | a. inactive; lacking power to move; unable to move or act  |  
 inevitable  | a. unavoidable;  incapable of being avoided or prevented  |  
 infatuate  | v. arouse unreasoning love or passion in and cause to behave in an irrational way  |  
 infernal  | a. pertaining to hell; devilish; abominable; awful  |  
 inkling  | n. slight hint or indication; slight understanding  |  
 innumerable  | a. too many to be counted; numerous  |  
 inquisitive  | a. disposed to ask questions, especially in matters which do not concern the inquirer; given to examination, investigation, or research  |  
 insufferable  | a. incapable of being suffered, borne, or endured; insupportable; unendurable; intolerable  |  
 integral  | a. essential or necessary for completeness; entire  |  
 intolerable  | a. incapable of being put up with; unable to be endured  |  
 intolerant  | a. not enduring; not able to endure; unwilling to tolerate difference of opinion  |  
 intuition  | n. immediate insight; power of knowing without reasoning  |  
 inundate  | v. overwhelm;  cover with water, especially floodwaters  |  
 invertebrate  | n. animal, such as an insect, that lacks backbone or spinal column  |  
 invincible  | a. incapable of being overcome or defeated; unconquerable  |  
 invoke  | v. call upon; ask for; request earnestly  |  
 ire  | n. anger; wrath; keen resentment; irritate  |  
 irony  | n. expression by deliberate contrast between apparent and intended meaning; witty language used to insult  |  
 irreducible  | a. incapable of being made smaller or simpler  |  
 jargon  | n. language used by a special group; technical terminology; nonsensical or meaningless talk  |  
 kinetic  | a. relating to, or produced by motion; dynamic  |  
 lateral  | a. coming from side; situated at or extending to the side  |  
 laud  | v. give praise to; glorify; celebrate or honor  |  
 legacy  | n. gift made by a will; something handed down from an ancestor  |  
 liberalism  | n. a political orientation that favors social progress by reform and by changing laws rather than by revolution  |  
 linear  | a. having form of a line; straight; consisting of lines; lineal  |  
 linguistics  | n. humanistic study of language and literature  |  
 liquidate  | v. settle accounts to pay them off; clear up  |  
 listless  | a. lacking in spirit or energy to exert effort  |  
 lucid  | a. easily understood; expressed clearly; bright or luminous  |  
 mainstay  | n. a prominent supporter; a central cohesive source of support and stability  |  
 malady  | n. disease, disorder, or ailment; unwholesome condition  |  
 manipulate  | v. operate with one's hands; control or play upon people, forces artfully  |  
 manor  | n. the mansion of a lord or wealthy person; the landed estate of a lord  |  
 materialize  | v. come into being; become reality  |  
 maternal  | a. motherly; relating to mother or motherhood  |  
 maudlin  | a. tearfully sentimental; over-emotional; sickly-sentimental  |  
 maul  | v. handle someone or something in a rough way; cause serious physical wounds  |  
 mechanization  | n. the condition of having a highly technical implementation; the act of implementing the control of equipment with advanced technology  |  
 medley  | n. mixture; musical composition consisting of a series of  pieces  |  
 mendicant  | n. beggar; religious friar forbidden to own personal property who begs for living  |  
 metaphysical  | a. without material form or substance; based on abstract reasoning; highly abstract or theoretical; supernatural  |  
 minutiae  | n. petty details; small particular or detail; a minute or trivial matter of fact  |  
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