caduco

adj

The verdict

“caduco” is an uncommon Portuguese word, ranked #67,303 in Portuguese word frequency and used as an adjective.

#67,303
frequency rank, Portuguese
6
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - que cai

Key facts for caduco
PropertyValue
Headwordcaduco
LanguagePortuguese
Part of speechAdjective
Letters6
Frequency rank#67,303
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “caduco” 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). caduco 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 caduco is 6 letters long, classified as an adjective. Corpus data places it at rank #67,303 in overall Portuguese word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 7 distinct senses for this headword, so context determines which meaning a reader should apply.

Zero misspellings are on record for caduco in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. This headword has no recorded confusable partner, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

This entry carries no recorded etymology, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct Portuguese form is caduco, spelled C-A-D-U-C-O.

Definition

  1. 1
    que cai
  2. 2
    que vai cair
  3. 3
    que perdeu forças, viço, valor, crédito, etc.
  4. 4
    transitório
  5. 5
    que desaparece breve
  6. 6
    que se tornou nulo
  7. 7
    que perdeu parcialmente o juízo em decorrência da idade ou de doença mental

Synonyms

caideiro

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 "caduco"?
"caduco" is spelled C-A-D-U-C-O.
What does "caduco" mean?
As an adjective, "caduco" means: que cai
What language does "caduco" come from?
"caduco" 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 “caduco”

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

  • The one correct Portuguese spelling is C-A-D-U-C-O - every other letter order is a misspelling in standard orthography.
  • 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