Vocabulary Quiz: I Words
Test your knowledge of 23 words starting with I
Illustrious
Well known, respected, and admired for past achievements.
Which word is most similar in meaning?
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✓ Correct Answer: Eminent
Impecunious
Having little or no money.
Which word is most similar in meaning?
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✓ Correct Answer: Penniless
Impede
To delay or prevent (someone or something) by obstructing them.
Which word is most similar in meaning?
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✓ Correct Answer: Hinder
Inadvertent
Not resulting from or achieved through deliberate planning.
Which word is most similar in meaning?
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✓ Correct Answer: Unintentional
Incessant
(Of something regarded as unpleasant) continuing without pause or interruption.
Which word is most similar in meaning?
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✓ Correct Answer: Ceaseless
Incite
To encourage or stir up (violent or unlawful behavior).
Which word is most similar in meaning?
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✓ Correct Answer: Stir up
Incongruous
Not in harmony or keeping with the surroundings or other aspects of something.
Which word is most similar in meaning?
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✓ Correct Answer: Out of place
Incredulous
(Of a person or their manner) unwilling or unable to believe something.
Which word is most similar in meaning?
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✓ Correct Answer: Disbelieving
Indefatigable
(Of a person or their efforts) persisting tirelessly.
Which word is most similar in meaning?
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✓ Correct Answer: Tireless
Indefinite
Lasting for an unknown or unstated length of time.
Which word is most similar in meaning?
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✓ Correct Answer: Undetermined
About This Quiz
This quiz covers advanced-level SAT vocabulary words that start with the letter I. Mastering these words will help you succeed on the SAT Reading and Writing sections. Each question tests your understanding of word meanings through synonym and antonym identification, common formats on the Digital SAT. Practice regularly to build your vocabulary and improve your score.