supplementary
Other forms: supplementarily
Supplementary is a little something extra to fill in a gap, like when your teacher suggests supplementary reading material that you may or may not get around to checking out.
Supplementary can be an important part of something or just extra support. The word supplement comes from the Latin supplementum for "something added to fix a deficiency" and the suffix -ary means "connected with." Put them together and you have something connected with filling in. The supplementary support of digging a moat around your sand castle might save it from a wave, but that supplementary reading on your syllabus isn't required (although it might save your grade).
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functioning in a supporting capacitysynonyms: auxiliary, subsidiary, supplementalsecondarybeing of second rank or importance or value; not direct or immediate
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added to complete or make up a deficiency“produced supplementary volumes”synonyms: supplementaladditivecharacterized or produced by addition
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(of angles) equaling 180 degrees when added together
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Vocabulary lists containing supplementary
Twelve-year-old Jonas lives in a regimented community that is free from pain and suffering — but also free from joy, independence, and even color. When he is appointed the community's Receiver of Memory, Jonas begins to question everything he has been taught.
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