oneroso

/ɔ.nɨ.ˈɾo.zu/

//ɔ.nɨ.ˈɾo.zu// adj

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

The verdict

“oneroso” is uncommon Portuguese (frequency #74,978 among 385 “O” headwords), classed as an adjective. The kind of spelling people second-guess.

#74,978
frequency rank, Portuguese
385
“O” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - que impõe, envolve ou está sujeito a ônus, encargo, obrigação

Corpus desk

Index PT-oneroso · oneroso · Portuguese

oneroso · rank #74,978 · 0 variants · 0 confusables

  • FREQ-RARE #74,978
  • LEN-LONG 7 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 385
  • PHOTO-FINISH naturismo

Nearest frequency peer: naturismo (-23 rank slots)

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Ranks da cauda longa perto de “oneroso”

Faixa escassa: as barras invertem o rank para o raro ler-se mais curto

corpus weight

What this shows Vista da cauda longa: onde “oneroso” se situa face a ranks portugueses igualmente raros.

Source FrequencyWords open word-frequency list As of September 3, 2026
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)

Cauda longa: rank de “oneroso” em português

A frequência vai do punhado de palavras do dia a dia (esquerda) à cauda longa quase nunca usada (direita).onerosocai nesta cauda de raridade:

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

A escala é logarítmica (cada marca ≈ 10× mais rara). Vizinhos raros da mesma faixa: “naturismo” (#74,955), “narcotraficante” (#74,953), “pessimamente” (#75,014). Entre 385 lemas com “O”, “oneroso” fica em #74,978. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

oneroso is uncommon Portuguese at frequency #74,978 among 385 “O” headwords, classed as anadjective, transcribed /ɔ.nɨ.ˈɾo.zu/. Rarity is why readers land here mid-draft. 4 senses are on record.

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.

Similar Portuguese words by spelling shape

Same letter count and similar misspelling depth for "oneroso", not the corpus desk frequency band.

Same letter count

Frequency-ranked Portuguese headwords with 7 letters (nearest by frequency rank).

plateau#75,024portada#75,033postiço#75,037intense#74,827

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

Source: FrequencyWords open word-frequency list