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FAST definition: moving or able to move, operate, function, or take effect quickly; quick; swift; rapid: a fast pain reliever; See examples of fast used in a sentence.

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Some common synonyms of fast are expeditious, fleet, hasty, quick, rapid, speedy, and swift. While all these words mean "moving, proceeding, or acting with celerity," fast and rapid are very …

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FAST is a Postal Service initiative that improves the drop shipment and Origin Entry appointment scheduling processes through allocating appointment availability and decreasing dock wait …

The computer-based sample test materials answer keys may be used to prepare students taking computer-based versions of the B.E.S.T. EOC assessments, FAST ELA Reading, FAST …