Upper-Intermediate (B2)
IPA: /əˈtɛn.ju.eɪt/
KK: /əˈtɛn.ju.eɪt/
Definition
Having been made thinner, weaker, or less intense; reduced in strength or effect.
Example
The attenuate design of the sculpture gives it an elegant appearance.
Comparatives & Superlatives
Comparative: more attenuate
Superlative: most attenuate
Conversation

Have you noticed how the leaves on the trees seem to attenuate as fall approaches?

Yeah, they do look thinner and more delicate this time of year.

It's interesting how nature changes; the colors attenuate too, right?

Definitely! The vibrant greens fade into softer shades.
Synonyms & Antonyms
Definition
To become thinner, weaker, or less intense.
Example
The sound began to attenuate as it traveled further away from the source.
Tense Forms
Past: attenuated
Past Participle: attenuated
Conversation

Have you noticed how the sunlight seems to attenuate as the day goes on?

Yeah, it does! It's like the brightness fades gradually.

I love watching it change; everything looks softer when it attenuates.
Definition
To make something weaker, thinner, or less intense.
Example
The scientist worked to attenuate the virus so it would be safer for use in vaccines.
Tense Forms
Past: attenuated
Past Participle: attenuated
Conversation

I heard they will attenuate the sound system for the concert tomorrow.

That sounds like a good idea; it can get really loud sometimes.

Exactly! I hope it helps attenuate the noise for the people sitting further back.
Root Explanation
Attenuate → It is formed from "ad-" (meaning to) and "tenuare" (meaning to make thin). The word describes the action of making something thinner or weaker.
Memory Tip
Think of making something 'thinner' or 'weaker' — 'ad-' means to, and 'tenuare' means to make thin.
Visually Confused Words
tenuate
unattenuated
subattenuate
catenulate
subattenuated