Meaning of NON in English

productive adj. 1 unproductive, barren, sterile, infertile, unfertile, unfruitful, infecund Non-productive land was left uncultivated 2 ineffectual, bootless, ineffective, impractical, unavailing, pointless, useless, worthless, wasteful, time-consuming, time-wasting Executives should spend more time working and less in non-productive meetings discussing the work to be done

Oxford thesaurus English vocab.      Английский словарь Оксфорд тезаурус.