Ielts vocabulary Masterclass book + ielts listening & Reading Dictionary: Dominate Proficiency Level Vocabulary for ielts listening, Reading, Writing & Speaking

Homogeneous:
MEANING: of the same kind; alike
SENTENCE: The unemployed are not a homogenous group.
Humdrum:
MEANING: Boring, monotonous, routine
SENTENCE: After five years in the same role, Sandra found the work a
little humdrum.
Hyperbole:
MEANING: Exaggeration
SENTENCE: Oh, come on, saying 'that movie was so bad it made me
puke,’ was surely hyperbole. I strongly doubt that you actually vomited!

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- I -
Iconoclastic:
MEANING: Defying tradition
SENTENCE: Jackson Pollack was an iconoclastic artist, totally breaking
with tradition by splashing paint on a blank canvas.
Idolatry:
MEANING: The worship of idols; excessive admiration
SENTENCE: We must not allow our idolatry of pop stars to make them
seem more than mortal.
Ignominious:
MEANING: Embarrassing, humiliating
SENTENCE: He suffered an ignominious defeat.
Immutable:
MEANING: Unchanging over time, permanent
SENTENCE: Science presents us with some immutable facts, like gravity
on planet Earth.
Impair
: MEANING: Make worse, damage
SENTENCE: Listening to loud music without earplugs with almost
certainly impair your hearing over time.
Impassive:
MEANING: Not showing emotion
SENTENCE: His cold, impassive face stared at the cripple begging on the
street.
Impede:
MEANING: Block or obstruct progress
SENTENCE: The judge determined that the detective had not intentionally
set out to impede the progress of the investigation.
Impermeable:
MEANING: Not allowing fluid to pass through, waterproof

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SENTENCE: The boat is made from impermeable wood.
Imperturbable:
MEANING: Unshakeably calm
SENTENCE: Greg remained imperturbable during his exam, even the last
moments before completion didn't panic him.
Impervious:
MEANING: Not affected or influenced; resistant to water or
heat
SENTENCE: The system remained impervious to all suggestions of
change.