ruído

/ʁuˈi.du/ [hʊˈi.du], AFI: /ˈʁwi.du/ [ˈhwi.du] (coloquial) (faster pronunciation)

//ʁuˈi.du/ [hʊˈi.du], AFI: /ˈʁwi.du/ [ˈhwi.du] (coloquial) (faster pronunciation)/ noun

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“ruído” is a regularly-used Portuguese word, ranked #8,260 in Portuguese word frequency and used as a noun.

#8,260
frequency rank, Portuguese
5
letters
6
tracked misspellings
17
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - som de pouca intensidade, confuso

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

ruído vs ruim
40% similar
ruído vs rumo
60% similar
ruído vs ruir
40% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for ruído
PropertyValue
Headwordruído
LanguagePortuguese
Part of speechNoun
IPA/ʁuˈi.du/ [hʊˈi.du], AFI: /ˈʁwi.du/ [ˈhwi.du] (coloquial) (faster pronunciation)
Letters5
Frequency rank#8,260
Misspellings tracked6
Confusable pairs17
SourceWiktionary (kaikki.org)

Where “ruído” sits in Portuguese frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). ruído lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The Portuguese entry for ruído is 5 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ʁuˈi.du/ [hʊˈi.du], AFI: /ˈʁwi.du/ [ˈhwi.du] (coloquial) (faster pronunciation). Corpus data places it at rank #8,260 in overall Portuguese word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 12 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 6 likely wrong-spelling variants for ruído, with forms such as "rruído", "rudío", and "ruíddo". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 17 confusable-pair relationships, "ruim", "rumo", "ruir", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

No borrowing history is documented for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct Portuguese form is ruído, spelled R-U-Í-D-O.

Definition

  1. 1
    som de pouca intensidade, confuso
  2. 2
    som produzido pelo choque entre objetos; estrondo; estrépito
  3. 3
    qualquer som sem harmonia
  4. 4
    boato
  5. 5
    som desordenado de muitas vozes; alvoroço
  6. 6
    tumulto
  7. 7
    ato que atrai o público; escândalo
  8. 8
    grande pompa; ostentação
  9. 9
    som indesejado ou impertinente à música
  10. 10
    qualquer distúrbio ou perturbação da informação transmitida
  11. 11
    som da auscultação
  12. 12
    qualquer sinal ou corrente elétrica indesejada num circuito eletrônico

Synonyms

abastidaatroadabarulhoestrompidomubazorestolheira

Antonyms

calmasilênciosossego

This word in other languages

noise(English)bruit(Français)Lärm(Deutsch)

Common misspellings

Also misspelled as: rruído,rudío,ruíddo,ruíod,ríudo,urído

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of ruído - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

rruído1rudío2ruíddo1ruíod2ríudo2urído2
Edit distance from "ruído"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 Portuguese corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "ruído"?
"ruído" is spelled R-U-Í-D-O. The IPA pronunciation is /ʁuˈi.du/ [hʊˈi.du], AFI: /ˈʁwi.du/ [ˈhwi.du] (coloquial) (faster pronunciation).
What does "ruído" mean?
As a noun, "ruído" means: som de pouca intensidade, confuso
What words are commonly confused with "ruído"?
"ruído" is commonly confused with "ruim", "rumo", "ruir". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "ruído"?
The IPA (International Phonetic Alphabet) transcription for "ruído" is /ʁuˈi.du/ [hʊˈi.du], AFI: /ˈʁwi.du/ [ˈhwi.du] (coloquial) (faster pronunciation). Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "ruído" come from?
"ruído" is a Portuguese word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “ruído”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct Portuguese spelling is R-U-Í-D-O - every other letter order is a misspelling in standard orthography.
  • Say it as /ʁuˈi.du/ [hʊˈi.du], AFI: /ˈʁwi.du/ [ˈhwi.du] (coloquial) (faster pronunciation) (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “ruim” - see the side-by-side comparison. ruído vs ruim
  • Browse more Portuguese words and confusable pairs in the same reference. Portuguese words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list