Meaning of EFFECTIVE in English

adj. Function: adjective

producing or capable of producing a result FF1C; an effective rebuke FF1E;

Synonyms: effectual, efficacious, efficient, virtuous

Related Words: adequate, capable, competent; cogent, compelling, convincing, sound, telling, valid; able, active, dynamic; operative, useful; direct

Contrasted Words: abortive, bootless, fruitless, futile, vain; empty, hollow, idle, nugatory, otiose, pointless; inoperative, useless, worthless

Antonyms: ineffective

Merriam Webster. Collegiate thesaurus English dictionary.      Английский энциклопедический толковый словарь тезауруса.