acoustical

C2+ Topic:Describing Qualities

US /əˈkustɪkəl/ UK /əˈkuːstɪkəl/ See IPA manual

Meanings

1

adj
relating to sound or the science of sound

The hall's acoustical design carried even a whisper to the back row.

Thesaurus

Synonyms

1 adj · relating to sound or the... acoustic auditorysonicsound aural

Opposites

electric amplified

Word family

Derived forms acoustically

Related forms acoustic acoustics

Etymology

From acoustic + -al, from Ancient Greek akoustikós ('pertaining to hearing'), from akoúein ('to hear').

akoustikós Ancient Greek akoúein Ancient Greek

View etymology graph ->

Topics

Describing Qualities Word Formation & Derivatives

External links

# acoustical

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

## Meanings
1. relating to sound or the science of sound

## Examples
- The hall's acoustical design carried even a whisper to the back row.

## Synonyms
- acoustic
- auditory
- sonic
- sound
- aural

## Antonyms
- electric
- amplified

## Derived Forms
- acoustically

## Related Forms
- acoustic
- acoustics

## Roots and Affixes
- Root: akoustikós
- Root: akoúein

## Etymology
From acoustic + -al, from Ancient Greek akoustikós ('pertaining to hearing'), from akoúein ('to hear').

## AI Etymology
acoustical comes from acoustic + -al, from Ancient Greek akoustikós ('pertaining to hearing'), from akoúein ('to hear'). Morphologically, the word is transparent: -al is attached to the older base named in the history, so the modern form packages an inherited or borrowed stem inside a later English derivative. In modern use, the adjective sense is "relating to sound or the science of sound", which keeps the etymology connected to the word's present dictionary value rather than treating it as a merely historical label. The wider word family includes related English forms such as acoustic, acoustics and derivatives such as acoustically, showing how the same base continues to support neighboring English vocabulary. The principal historical forms in the chain include Ancient Greek akoustikós, Ancient Greek akoúein, which anchor the explanation in named linguistic material.

## Topics
- Describing Qualities
- Word Formation & Derivatives

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