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🇺🇸
8th Grade
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Vocabulary Genius, Learn and Remember More Words Logo
Vocabulary Genius, Learn and Remember More Words Logo

How It Works

Vocabulary Genius predicts how well you know every word in the English language.

Choose a list, and Vocabulary Genius will teach you the "best" words first, which are the most common words that it thinks you don’t know yet.

Vocabulary Genius repeats words at just the right time, before you’re likely to forget them, in order to maximize retention.

Vocabulary Genius uses innovative algorithms based on the spaced repetition learning theory. It understands that you forget with time.

Tip: As you complete lessons in Class Ace, Vocabulary Genius updates its ‘knowledge model’ of what you know. It tracks your positive and negative interactions with each word. This all helps you learn more in less time.

US English vocabulary size by age diagram

Why Improve your Vocabulary?

Improving your vocabulary helps you: get better grades, improve your reading comprehension, understand more of the world, be more credible, get into better schools, get better jobs, earn more money, and be more convincing.

Vocabulary Facts

  • The English language has over 1,000,000 total words.
  • Only 170,000 of them are currently in use.
  • Most adult native English speakers know 20,000-40,000 words.
  • In all of his published works, Shakespear used 17,677 different words. He was credited with either inventing or being the first to write as many as 1,700 of them.
Vocabulary List background graphic
Vocabulary List background graphic

8th Grade Vocabulary Words

These must-know vocabulary words for 8th graders often appear on English Language Arts state tests given in the eighth, ninth, and tenth grades. The list also starts to prepare for pre-SAT tests.

After you review, complete the practice. It'll help you remember these words for longer.

1.

source

a place, person, or thing from which something originates or can be obtained.

"mackerel is a good source of fish oil"

synonyms

origin, place of origin, birthplace

367th most common English word
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2.

quote

repeat or copy out (words from a text or speech written or spoken by another person).

"I realized she was quoting passages from Shakespeare"

synonyms

recite, repeat, say again

493rd most common English word
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3.

similar

having a resemblance in appearance, character, or quantity, without being identical.

"a soft cheese similar to Brie"

synonyms

alike, ( much) the same, indistinguishable

579th most common English word
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4.

specific

clearly defined or identified.

"savings were made by increasing the electricity supply only until it met specific development needs"

synonyms

particular, specified, certain

644th most common English word
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