harangue,a long/passionate speech
harbinger,smth or smb that foretells the coming of
harrow,to distress/create stress or torment 
harsh,rough/cruel/stern
haughty,arrogant/conceited
haven,harbour/safety place
heed,pay attention/notice
heinous,odious (of crime)
heresy,belief contrary to what is generally acceted
hermetic,sealed by fusion 
heterogeneous,made up of different kinds
hew,make by hard work/cut (by striking)
hirsute,hairy/shaggy 
hoax,mischievous trick played on smb for a joke
hoi polloi,the masses/the rabble
hollow,not soled/with a  hole
holster,leather case for a pistol
homogeneous,of the same kind
hone,stone used for sharpening tools
hoodwink,trick/mislead
hospitable,liking to give hospitality
hubris,arrogant pride
hurdle,light frame/fence to be jumped over
husk,worthless outside part of anything
hypocrisy,falsely making oneself appear to be good
iconoclast,person who attacks popular beliefs
iconoclastic,attacking cherished beliefs 
idiosyncracy,personal mannerism
idolatrous,worshipping idols
idolatry,excessive admiration of
idyll,a carefree episode or experience
ignoble,dishonorable/common/undignified 
ignominious,shameful/dishonorable/undignified/disgraceful 
illicit,unlawful/forbidden
illusory,deceptive/an illusion 
imbroglio,complicated and embarrassing situation
immaculate,pure/faultless
immerse,absorb/put under the surface of
imminent,likely to come or happen soon
immutable,that cannot be changed
impair,worsen/diminish in value 
impaired,damaged/weakened
impassive,unmoved/feeling no sign of passion
impecunious,having little or no money
impede,hinder/get in the way of
impediment,smth that hinders (stammer)
impending,imminent/being about to happen/expected
imperative,urgent/essential
imperious,commanding/haughty/arrogant
imperiousness,haughty/arrogant/commandin