iconoclast
attacking cherished traditions
idolatry
worship of idols; excessive admiration
immutable
unchangeable
impair
injure; hurt
impassive
without feeling; imperturbable; stoical
impede
to hinder; block
Impearmeable
impervious; not permitting passage through its substance
imperturbable
calm, placid
impervious
impenetrable; incapable of being damaged or distressed
implacable
incapable of being pacified
implicit
understood but not stated
implode
burst inward
inadvertently
unintentionally; by oversight; carelessly
inchoate
recently begun; rudimentary; elementary
incongruity
lack of harmony; absurdity
inconsequential
insignificant; unimportant
incorporate
introduce something into a larger whole; combine; unite
indeterminate
uncertain; not clearly fixed; indefinite
indigence
poverty
indolent
lazy
inert
inactive; lacking power to move
ingenuous
naive and trusting; young; unsophisticated
inherent
firmly established by nature or habit
innocuous
harmless
insensible
unconscious; unresponsive
insinuate
hint; imply; creep in
insipid
lacking in flavor; dull
insularity
narrow-mindedness; isolation
intractable
unruly; stubborn; unyielding
intransigence
refusal of any compromise; stubbornness
inundate
overwhelm; flood; submerge
inured
accustomed; hardened
irascible
irritable; easily angered
irresolute
uncertain how to act; weak
itinerary
plan of a trip