ameliorate - definition and synonyms

verb [transitive] very formal 

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/əˈmiːliəreɪt/
present tense
I/you/we/theyameliorate
he/she/itameliorates
present participleameliorating
past tenseameliorated
past participleameliorated

derived word

amelioration

 

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/əˌmiːliəˈreɪʃ(ə)n/
noun [uncountable]