4th Grade Vocabulary Words - List 16
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| Word | Definition | Practice Sentence | Synonyms | Antonyms | Part of Speech Description |
|---|---|---|---|---|---|
| rigorous | Exercising or favoring extreme and exhaustive accuracy. | The student had to undergo rigorous training to earn his pilot's license. | accurate, meticulous, uncompromising | flexible, inexact, lenient | Adjective |
| demonstrated | To explain or make evident by showing proof. | They didn't believe she could do a backflip, so she demonstrated one for them. | exhibit, prove, show | refute, conceal, disprove, | Verb |
| transformation | The act or process of undergoing change into another state. | The caterpillar was about to undergo its transformation into a butterfly. | conversion, metamorphasis, change | stagnation, preservation, unchanging | Noun |
| predecessor | The person who came before another person (in time). | The governor planned to change many things his predecessor had done. | forebear, antecedent, precursor | successor, descendant, derivative | Noun |
| modify | To make a small change in something. | After reading over the paragraph, she decided to modify her word choice. | alter, change, revise | remain, stagnate, leave alone | Verb |
| protagonist | The main character in a story. | Wilbur is the protagonist in the novel "Charlotte's Web." | hero, lead, heroine | antagonist, foe, adversary | Noun |
| collaborate | To work together with others. | The detectives had to collaborate to solve the crime. | cooperate, coact, partner | dissolution, disassociation, division | Verb |
| pictograph | A picture or symbol for a word or phrase. | The archeologists tried to understand the pictograph in the pyramid. | hieroglyphs, characters, pictures | Noun | |
| inequality | The quality of being unequal or uneven. | The inequality in funding for the schools was noticeable. | unfairness, disparity, disproportion | equality, impartiality, sameness | Noun |
| abominable | Unpleasant or detestable. | The event was cancelled due to abominable weather. | abhorrent, despicable, horrible | delightful, good, lovely | Adjective |
Take a look at other vocabulary lists for Fourth Grade.
Fourth Grade Vocabulary Lists