📚 Vocabulary Builder
Read the sentence, pick the best word · Learn definitions · Grades 2–6
Read the sentence with the missing word. Use context clues — the words around the blank — to figure out which vocabulary word fits best. After you answer, the full definition appears so you can learn the word. Complete 10 questions per round!
About Vocabulary Builder
Strong vocabulary is the single best predictor of reading comprehension. This tool teaches new words through context — the same way skilled readers learn vocabulary naturally. Rather than memorizing definitions in isolation, kids see each word used in a meaningful sentence and must use surrounding clues to determine its meaning.
Skills Practiced
Context clue analysis, word meaning inference, reading comprehension, and academic vocabulary acquisition aligned with Common Core ELA standards.
Last reviewed: April 2026