effectual

/ɪfˈɛkt‍ʃuːə‍l/

/ɪfˈɛktʃuːəl/

[adjective]

effectual

[ADJECTIVE]

producing or capable of producing an intended result or having a striking effect

synonyms : effective

efficacious

antonyms : ineffective

having legal efficacy or force

synonyms : legal

sound

Examples

1. I'm not effectual.

2. It's really not effectual like 20 to 30% effectual.

3. It's really not effectual like 20 to 30% effectual.

4. That it is expedient forthwith to take the most effectual measures for forming foreign alliances, that a plan of confederation be prepared and transmitted to the respective colonies for their consideration and approbation.