Attenuate

/əˈten.jʉˌæɪt/ adj, verb

adj, verb ·Common ·High school level

Meaning at a glance

  • Primary sense: To reduce in size, force, value, amount, or degree.
  • Grammar: attenuate is listed as adj, verb.
  • Nearest alternatives: diminish, weaken, abate, abbreviate.
  • Useful contrasts: heightened, amp, amplifying.
  • Usage evidence: Water will attenuate the signal.

How to use "attenuate"

  1. Start with the primary definition, then check the part of speech before placing the word in a sentence.
  2. Compare nearby synonyms to make sure "attenuate" carries the exact meaning, tone, and strength you need.
  3. Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.

Meaning check

  • Does the word fit the sentence's grammar?
  • Does it match the intended tone rather than only the dictionary definition?
  • Would a simpler synonym be clearer for the reader?
  • Is there enough surrounding context to prevent ambiguity?

Source and review context

This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "attenuate" in a final draft.

If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.

Before you rely on this definition

Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "attenuate" as the right word for your sentence.

If your draft is formal, technical, persuasive, or sensitive, compare "attenuate" with a nearby alternative so the final choice matches both meaning and reader expectation.

Compare nearby meanings

  • Use synonyms when you need a softer, stronger, simpler, or more specific word.
  • Use antonyms to check the boundary of the meaning and avoid accidental contrast.
  • Use the example sentence to confirm the word behaves naturally in context.
  • Keep the original wording when a replacement adds complexity without improving precision.

Definition decision workflow

1. Identify the role

Check whether "attenuate" is acting as adj, verb in your sentence. A definition is only useful when the grammar matches the way the word is being used.

2. Test the nearest option

Compare it with "diminish" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.

3. Confirm with context

Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.

Review note: Definition pages are checked for source coverage, sentence evidence, synonym support, and editorial insight before they are treated as approval-ready pages. If the evidence is too thin, the page remains available to users but is kept out of the approval-facing indexed inventory.

Final meaning check

Before publishing a sentence with "attenuate", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.

When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.

Definitions

Verb
  1. 1
    To reduce in size, force, value, amount, or degree. transitive

    "A manor-house clock from the far depths of shadow struck the hour, one, in a small, attenuated tone."

  2. 2
    become weaker, in strength, value, or magnitude wordnet
  3. 3
    To make thinner, as by physically reshaping, starving, or decaying. transitive

    "Clumps of attenuated turkeys were suspended here and there."

  4. 4
    weaken the consistency of (a chemical substance) wordnet
  5. 5
    To become thin or fine; to grow less. intransitive
Show 5 more definitions
  1. 6
    To weaken. transitive

    "We may reject and reject till we attenuate history into sapless meagreness."

  2. 7
    To rarefy. transitive

    ""It speedily became apparent that the entire strangeness of our circumstances and surroundings—great loss of weight, attenuated but highly oxygenated air, consequent exaggeration of the results of muscular effort, rapid development of weird plants from obscure spores, lurid sky—was exciting my companion unduly.""

  3. 8
    To reduce the virulence of a bacterium or virus. transitive
  4. 9
    To reduce the amplitude of an electrical, radio, or optical signal. transitive
  5. 10
    (of a beer) To become less dense as a result of the conversion of sugar to alcohol.

    "A beer which does not attenuate to the expected level in fermentation will have more residual sugar and thus be sweeter and heavier-bodied."

Adjective
  1. 1
    Slender, thin.
  2. 2
    Rarefied, thin, refined.
  3. 3
    Gradually tapering into a petiole-like extension toward the base.
Adjective
  1. 1
    reduced in strength wordnet

Example

"Water will attenuate the signal."

Common questions

What does "attenuate" mean?

To reduce in size, force, value, amount, or degree.

What is a synonym for "attenuate"?

Common synonyms include: diminish, weaken, abate, abbreviate, adulterate, adulterated.

How do you use "attenuate" in a sentence?

Water will attenuate the signal.

How do you pronounce "attenuate"?

Pronounced /əˈten.jʉˌæɪt/.

Etymology

The verb if first attested in 1530, the adjective in 1626; borrowed from Latin attenuātus, the perfect passive participle of attenuō (see -ate (verb-forming suffix) and -ate (adjective-forming suffix)), from ad- (“to, towards, at”) + tenuo (“to make thin”), itself from tenuis (“thin”) + -ō (verb-forming suffix).

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