Synonyms for important
crucial (vital, critical, quite important
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significant (substantial, meaningful, momentous
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major
influential
strong
See all synonyms for importantSynonyms for change
modify (alter, vary, revise
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shift (transformation, transition, reversal
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modification (alteration, revision, amendment
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variation (difference, fluctuation, oscillation
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switch
transform
exchange
replacement
See all synonyms for change