effect

The result or outcome of a cause.countableuncountable

• The effect of the hurricane was a devastated landscape.

Impression left on the mind; sensation produced.countableuncountable

• patchwork […] introduced for oratorical effect
• The effect was heightened by the wild and lonely nature of the place.

Execution; performance; realization; operation.countableuncountable

• That no compunctious visitings of nature / Shake my fell purpose, nor keep peace between / The effect and it.

Execution; performance; realization; operation.; The state of being binding and enforceable, as in a rule, policy, or law.uncountable

• The new law will come into effect on the first day of next year.

An illusion produced by technical means (as in "special effect")countableuncountable

• The effect of flying was most convincing.

An alteration, or device for producing an alteration, in sound after it has been produced by an instrument.countableuncountable

• I use an echo effect here to make the sound more mysterious.
• I just bought a couple of great effects.

A scientific phenomenon, usually named after its discoverer.countableuncountable

• Doppler effect

An influence or causal association between two variables.countableuncountable

• effect size
• therapeutic effect

Belongings, usually as personal effects.countableplural-normallyuncountable

• The tenant shall pay for the repair of, or replace all such items of the fixtures, fittings, furniture and effects as shall be broken, lost, damaged or destroyed during that time.

Consequence intended; purpose; meaning; general intent; with to.countableuncountable

• They spake to her to that effect.

To make or bring about; to implement.transitive

• The best way to effect change is to work with existing stakeholders.
• The election has affected our society, for it has effected major changes in the government.

Misspelling of affect.alt-ofmisspelling