INTO'XICATE, _v.a._ to inebriate; to make drunk
I'NTRICATE, _a._ entangled; perplexed; obscure
INTRI'GUER, _s._ one that intrigues
INTRI'NSIC, _a._ inward; real; true
INTRODU'CTION, _s._ the act of bringing anything into notice or practice; the preface or part of a book containing previous matter
INTRU'DER, _s._ one who forces himself into company or affairs without right or welcome
INUNDA'TION, _s._ the overflow of waters; the flood; a confluence of any kind
INVA'LUABLE, _a._ precious above estimation
INVA'RIABLE, _a._ unchangeable; constant
INVESTIGATION, _s._ the act of investigating; the state of being investigated
INVI'NCIBLE, _a._ not capable of being conquered
INVI'SIBLE, _a._ not to be seen
I'RIS, _s._ the rainbow; the circle round the pupil of the eye
IRRA'DIATE, _v.a._ brighten; animate by heat or light; illuminate
IRRE'GULAR, _a._ deviating from rule, custom, or nature
I'RRIGATE, _v.a._ wet; moisten; water
I'RRITATE, _v.a._ provoke; tease; agitate
IRRITA'TION, _s._ provocation; stimulation
I'SLAND, _s._ a tract of land surrounded by water
I'SSUE, _v.a._ send forth
ITA'LIC, _s._ a letter in the Italian character
JA'VELIN, _s._ a spear; a dart; an implement of war
JE'ALOUSY, _s._ suspicion in love; suspicious fear; suspicious caution
JE'WEL, _s._ a precious stone; a teem
JO'CUND, _a._ merry; gay; lively
JO'URNEY, _s._ the travel of a day; passage from place to place
JO'YOUS, _a._ glad; gay; merry; giving joy
JUDI'CIOUS, _a._ prudent; wise; skilful
JU'GGLER, _s._ one who practises sleight of hand
JU'NCTION, _s._ union; coalition
JU'STIFY, _v.a._ clear from imputed guilt; maintain
KANGARO'O, _s._ an animal found in Australia
KE'RNEL, _s._ anything included in a husk; the seeds of pulpy fruits
KI'NGDOM, _s._ the territories subject to a monarch; a different class or order of beings, as the mineral kingdom; a region
KNI'GHTHOOD, _s._ the character or dignity of a knight
KNO'WLEDGE, _s._ information
KNU'CKLE, _s._ joints of the fingers, protuberant when the fingers close
LABU'RNUM, _s._ a kind of tree
LA'MENTABLE, _a._ deplorable
LAMENTA'TION, _s._ expression of sorrow; audible grief
LA'NCEOLATE, _a._ in a lance-like form
LA'NDSCAPE, _s._ the prospect of a country; a picture of the prospect of a country
LA'NGUAGE, _s._ human speech; style; manner of expression
LA'NGUOR, _s._ faintness; softness; inattention
LA'RVA, _s._ an insect in the caterpillar state
LA'TENT, _a._ concealed; invisible