ih fek tihv
definition 1: producing an adequate or desired result, or having the power to produce such a result.
example: Attacking at dawn was an effective strategy.
definition 2: existing or operative; functioning.
example: The new rule will become effective at midnight tonight.
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Collocations: Words often used in combination with the adjective effective
effective + NOUN: ~ strategy, ~ method, ~ treatment, ~ way, ~ means, ~ solution, ~ tool, ~ use (e.g., effective use of advertising) , ~ communication, ~ management, ~ partnership, ~ medication, ~ remedy, ~ vaccine