effectivity

C2+ Topic:Abstract Ideas

US /ɪˌfɛkˈtɪvəti/ UK /ɪˌfɛkˈtɪvəti/ See IPA manual

Meanings

1

noun
the quality of being effective; the date a thing takes effect

The contract specifies an effectivity of the first of the month.

Thesaurus

Synonyms

1 noun · the quality of being... effectiveness efficacy efficacity potency

Opposites

ineffectivenessinefficacy

Word family

Related forms effective effect effectual

Etymology

From effective (from Latin effectīvus, from efficere 'to accomplish') + -ity.

effectīvus Latin efficere Latin facere Latin

View etymology graph ->

Topics

Abstract Ideas Word Formation & Derivatives

External links

# effectivity

**Type:** Word
**Level:** C2+
**Part of speech:** noun
**IPA (US):** /ɪˌfɛkˈtɪvəti/
**IPA (UK):** /ɪˌfɛkˈtɪvəti/

## Meanings
1. the quality of being effective; the date a thing takes effect

## Examples
- The contract specifies an effectivity of the first of the month.

## Synonyms
- effectiveness
- efficacy
- efficacity
- potency

## Antonyms
- ineffectiveness
- inefficacy

## Related Forms
- effective
- effect
- effectual

## Roots and Affixes
- Root: effectīvus
- Root: efficere
- Root: facere

## Etymology
From effective (from Latin effectīvus, from efficere 'to accomplish') + -ity.

## AI Etymology
Effectivity is from effective (from Latin effectīvus, from efficere 'to accomplish') + -ity. Important recorded forms include effectīvus (Latin), efficere (Latin), and facere (Latin). Morphologically, the word is a built form whose named elements carry part of the historical sense. The current sense covers the quality of being effective; the date a thing takes effect. The wider family includes related words such as effective, effect, and effectual.

## Topics
- Abstract Ideas
- Word Formation & Derivatives

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