oneroso

/ɔ.nɨ.ˈɾo.zu/

//ɔ.nɨ.ˈɾo.zu// adj

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

The verdict

“oneroso” is an uncommon Portuguese word, ranked #74,978 in Portuguese word frequency and used as an adjective.

#74,978
frequency rank, Portuguese
7
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - que impõe, envolve ou está sujeito a ônus, encargo, obrigação

Key facts for oneroso
PropertyValue
Headwordoneroso
LanguagePortuguese
Part of speechAdjective
IPA/ɔ.nɨ.ˈɾo.zu/
Letters7
Frequency rank#74,978
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “oneroso” 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). oneroso 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 oneroso is 7 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /ɔ.nɨ.ˈɾo.zu/. Corpus data places it at rank #74,978 in overall Portuguese word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 4 distinct senses for this headword, so context determines which meaning a reader should apply.

Our edit-distance generator produced no likely misspellings for oneroso, since its letter sequence doesn't invite the usual edit-distance slips. Our dataset records no confusable match here, since its spelling is unusual enough that it doesn't cluster with a lookalike.

No borrowing history is documented for this entry, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct Portuguese form is oneroso, spelled O-N-E-R-O-S-O.

Definition

  1. 1
    que impõe, envolve ou está sujeito a ônus, encargo, obrigação
  2. 2
    que ocasiona despesas, gastos; dispendioso
  3. 3
    que é pesado, sufoca, oprime; molesto, incômodo
  4. 4
    que produz reciprocidade de vantagens e obrigações para as partes envolvidas (diz-se de ato)

Synonyms

carocustosodispendiosogravegravosoincômodomolestoopressorpenosopesadotrabalhosovexatório

This word in other languages

onerous(English)oneroso(Español)pénible(Français)beschwerlich(Deutsch)

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 "oneroso"?
"oneroso" is spelled O-N-E-R-O-S-O. The IPA pronunciation is /ɔ.nɨ.ˈɾo.zu/.
What does "oneroso" mean?
As an adjective, "oneroso" means: que impõe, envolve ou está sujeito a ônus, encargo, obrigação
How do you pronounce "oneroso"?
The IPA (International Phonetic Alphabet) transcription for "oneroso" is /ɔ.nɨ.ˈɾo.zu/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "oneroso" come from?
"oneroso" is a Portuguese word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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 “oneroso”

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

  • The one correct Portuguese spelling is O-N-E-R-O-S-O - every other letter order is a misspelling in standard orthography.
  • Say it as /ɔ.nɨ.ˈɾo.zu/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • 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