Effective

/ɪˈfɛktɪv/

Meaning & Definition

adjective
Successful in producing a desired or intended result.
The new advertising campaign proved to be highly effective.
Having a strong or powerful influence.
The speech was effective in rallying support for the cause.
Producing a definite effect or result.
An effective treatment for the illness is now available.
Meeting the requirements for a particular purpose.
She is an effective leader who inspires her team.
Something that is valid and in force.
The new policy will be effective starting next month.

Etymology

From Latin 'effectivus', meaning 'producing a result'.

Common Phrases and Expressions

effective communication
The ability to convey information clearly and understandably.
effective immediately
The changes take place right now, without delay.
effective date
The date when something begins to apply or take effect.

Related Words

effectiveness
The degree to which something is successful in producing a desired result.
affective
Relating to moods, feelings, and attitudes.
effect
A change that is a result or consequence of an action or other cause.

Slang Meanings

On point
That strategy was on point; it really worked.
Killer
Her killer presentation really won over the clients.