6th Grade Vocabulary Words - List 2

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Word Definition Practice Sentence Synonyms Antonyms Part of Speech Description
declare Say something emphatically. They want to declare officially that the rumors are false. affirm, announce, insist Verb
oxymoron A combination of contradictory words or incongruous elements. Deafening silence is an example of an oxymoron. Noun
national Relating to a nation. There was a lot of national pride after the attack. civil, domestic, governmental local Adjective
humane Showing compassion. Hopefully, we as a society will become more humane in the future. kind, benevolent, humanitarian greedy, cruel, inhumane Adjective
existence The state of living or being real. Let's debate the existence of alien life on Earth. presence, reality, being nonexistence Noun
photosynthesis A chemical process by which plants convert water, sunlight, and carbon dioxide into oxygen and carbohydrates. Plants use photosynthesis to capture energy from the sun. Noun
aptitude A natural ability. She has an aptitude for mathematics. ability, knack, flair inability, ineptitude Noun
otherwise Under different circumstances; in another way. It was otherwise completely dark in the room, except for a single glowing candle. alternatively, differently Adverb
fractal An irregular geometric shape, any part of which is similar in shape to any larger or smaller part when magnified or reduced to the same size. The mathemetician, Benoit Mandelbrot, coined the word fractal. Noun
conversion The process of changing. The whole area improved after the old factory's conversion into luxury apartments. change, adaptation, alteration Noun
jolly Cheerful. They were all looking forward to a jolly celebration. joyful, carefree, festive gloomy, serious, unhappy Adjective
emerged Appeared by moving away from something. Two glowing eyes emerged from the dark woods. came out, appeared, surfaced disappeared Verb
identify Indicate who or what someone or something is. They were able to identify the animal by the noise it made. recognize, label, name Verb
outlook A person's point of view. He has a positive outlook on life. attitude, perspective, viewpoint Noun
brainstorm Produce an idea or solution to a problem. My coworkers and I are holding a meeting to brainstorm a theme for the office holiday party. problem-solve, deliberate, conceptualize Verb

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