estro

[ˈest̪ɾo]

/[ˈest̪ɾo]/ noun

The verdict

“estro” is uncommon Spanish (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency Spanish
5
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Ardoroso y eficaz estímulo con que se inflaman, al componer sus obras, los poetas y artistas capaces de sentirlo.

Corpus desk

Index ES-estro · estro · Spanish

estro · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MID 5 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "E" thin
  • PHOTO-UNK Peer pending

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.

Key facts for estro
PropertyValue
Headwordestro
LanguageSpanish
Part of speechNoun
IPA[ˈest̪ɾo]
Letters5
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cola larga: rango de “estro” en español

estroestá más allá de las 100.000 formas más frecuentes del español, en la cola de léxico especializado o poco usado donde la duda ortográfica aprieta.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

estro is uncommon Spanish outside the top frequency list, classed as anoun, transcribed [ˈest̪ɾo]. Rarity is why readers land here mid-draft. 4 senses are on record.

The misspelling generator found no plausible variants for estro, a straightforward case of a spelling with little room for common typos. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.

This entry's etymology isn't recorded, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct Spanish form is estro, spelled E-S-T-R-O.

Definition

  1. 1
    Ardoroso y eficaz estímulo con que se inflaman, al componer sus obras, los poetas y artistas capaces de sentirlo.
  2. 2
    Larva de un insecto díptero de dos centímetros de largo y forma elipsoidal, once anillos espinosos en su borde posterior, y boca con trompa y dos ganchos cómeos. Sus diferentes especies viven parásitas sobre el buey, el caballo, el carnero y otros mamíferos.
  3. 3
    Este mismo insecto (estro₂) en su forma adulta.
  4. 4
    Dicho de los mamíferos, período en que la hembra es receptiva sexualmente.

Synonyms

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "estro"?
"estro" is spelled E-S-T-R-O. The IPA pronunciation is [ˈest̪ɾo].
What does "estro" mean?
As a noun, "estro" means: Ardoroso y eficaz estímulo con que se inflaman, al componer sus obras, los poetas y artistas capaces de sentirlo.
How do you pronounce "estro"?
The IPA (International Phonetic Alphabet) transcription for "estro" is [ˈest̪ɾo]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "estro" come from?
"estro" is a Spanish 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.

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

Source: FrequencyWords open word-frequency list