imperceivable

C2+ Topic:Describing Qualities

US /ˌɪmpɚˈsivəbəl/ UK /ˌɪmpəˈsiːvəbəl/ See IPA manual

Meanings

1

adj
unable to be perceived by the senses or mind

The change was so gradual as to be imperceivable.

Thesaurus

Synonyms

1 adj · unable to be perceived by... imperceptible undetectable indiscernible invisible intangible unnoticeable

Opposites

perceivable perceptible noticeable discernible

Word family

Derived forms imperceivably

Related forms perceive perception imperceptible

Etymology

From in- ('not') + perceivable, from perceive, from Latin percipere ('to seize, grasp, perceive'), from per- ('thoroughly') + capere ('to take').

percipere Latin capere Latin

View etymology graph ->

Topics

Describing Qualities Word Formation & Derivatives

External links

# imperceivable

**Type:** Word
**Level:** C2+
**Part of speech:** adj
**IPA (US):** /ˌɪmpɚˈsivəbəl/
**IPA (UK):** /ˌɪmpəˈsiːvəbəl/

## Meanings
1. unable to be perceived by the senses or mind

## Examples
- The change was so gradual as to be imperceivable.

## Synonyms
- imperceptible
- undetectable
- indiscernible
- invisible
- intangible
- unnoticeable

## Antonyms
- perceivable
- perceptible
- noticeable
- discernible

## Derived Forms
- imperceivably

## Related Forms
- perceive
- perception
- imperceptible

## Roots and Affixes
- Root: percipere
- Root: capere

## Etymology
From in- ('not') + perceivable, from perceive, from Latin percipere ('to seize, grasp, perceive'), from per- ('thoroughly') + capere ('to take').

## AI Etymology
imperceivable comes from in- ('not') + perceivable, from perceive, from Latin percipere ('to seize, grasp, perceive'), from per- ('thoroughly') + capere ('to take'). Morphologically, the prefixed shape matters: the initial element belongs to the recorded formation and helps explain the modern form's surface analysis. In present English, the adjective sense is "unable to be perceived by the senses or mind", so the historical development ends in a clearly identifiable modern dictionary use. The same base also appears in related forms such as perceive, perception, and imperceptible, and in derivatives such as imperceivably. Its semantic neighborhood includes imperceptible, undetectable, indiscernible, and invisible, which helps locate the modern sense without adding a separate etymological claim. The named historical forms include Latin percipere and Latin capere.

## Topics
- Describing Qualities
- Word Formation & Derivatives

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