INSTRUCTIONAL Synonyms: 38 Similar and Opposite Words - Merriam-Webster
https://www.merriam-webster.com/thesaurus/instructional
WebSynonyms for INSTRUCTIONAL: educational, informational, instructive, informative, educative, illuminating, enlightening, comprehensive; Antonyms of INSTRUCTIONAL: uninformative, useless, impractical, unenlightening, …
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