deteriorate

/dɪˈtɪə.ɹɪə.ɹeɪt/

//dɪˈtɪə.ɹɪə.ɹeɪt// verb

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

"deteriorate" is a 11-letter English headword indexed on PlainSpell.

The verdict

“deteriorate” has 15 generated spelling variants in the English index at frequency #23,804. The variants make it a useful spelling check.

#23,804
frequency rank, English
3,470
“D” headwords
15
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To make worse; to make inferior in quality or value; to impair.

Corpus desk

Index EN-deteriorate · deteriorate · English

deteriorate · rank #23,804 · 15 variants · 0 confusables

  • FREQ-MID #23,804
  • LEN-MEGA 11 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 15 variants
  • BOOK-MID 3,470
  • PHOTO-FINISH deluded

Nearest frequency peer: deluded (-3 rank slots)

Read with this headword: Spelling guide for this pattern

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.

Rank peers near misspelling magnet “deteriorate”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “deteriorate” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for deteriorate
PropertyValue
Headworddeteriorate
LanguageEnglish
Part of speechVerb
IPA/dɪˈtɪə.ɹɪə.ɹeɪt/
Letters11
Frequency rank#23,804
Misspellings tracked15
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “deteriorate”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).deterioratelands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “deluded” (#23,801), “discredited” (#23,807), “disorderly” (#23,808). Among 3,470 “D” headwords, “deteriorate” is #23,804. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 15 spelling variants around deteriorate (IPA /dɪˈtɪə.ɹɪə.ɹeɪt/), averb. Corpus frequency is #23,804 among 3,470 “D” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 15 likely wrong-spelling variants for deteriorate, with forms such as "ddeteriorate", "deetriorate", and "deteirorate". 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. Our dataset records no confusable match here, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: Learned borrowing from Late Latin dēteriorātus, perfect passive participle of Late Latin dēteriorō (see -ate (verb-forming suffix)), further from Latin dēterior (“worse”). Cognate with French détériorer. The correct English form is deteriorate, spelled D-E-T-E-R-I-O-R-A-T-E.

Definition

  1. 1
    To make worse; to make inferior in quality or value; to impair.
  2. 2
    To grow worse; to be impaired in quality; to degenerate.

Recorded use

Wiktionary examples

These source excerpts show how deteriorate appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. to deteriorate the mind
  2. The art of war, like every other art, ecclesiastical architecture alone excepted, was greatly deteriorated during those years of general degradation[…]

Etymology

Learned borrowing from Late Latin dēteriorātus, perfect passive participle of Late Latin dēteriorō (see -ate (verb-forming suffix)), further from Latin dēterior (“worse”). Cognate with French détériorer.

Synonyms

worsento go offnerfdegenerateweaken

Antonyms

amelioratebetterimproverevamp

This word in other languages

deteriorar(Español)détériorer(Français)verschlechtern(Deutsch)deteriorar(Português)

Common misspellings

Also misspelled as:

  • ddeteriorate
  • deetriorate
  • deteirorate
  • deterioarte
  • deterioraet
  • deterioratte
  • deteriorrate
  • deteriortae
  • deteriroate
  • deteroirate
  • deterriorate
  • detreiorate
  • detteriorate
  • dteeriorate
  • edteriorate

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of deteriorate - 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.

ddeteriorate1deetriorate2deteirorate2deterioarte2deterioraet2deterioratte1deteriorrate1deteriortae2
Edit distance from "deteriorate"

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 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "deteriorate"?
"deteriorate" is spelled D-E-T-E-R-I-O-R-A-T-E. The IPA pronunciation is /dɪˈtɪə.ɹɪə.ɹeɪt/.
What does "deteriorate" mean?
As a verb, "deteriorate" means: To make worse; to make inferior in quality or value; to impair.
What are common misspellings of "deteriorate"?
Common misspellings include "ddeteriorate", "deetriorate", "deteirorate", "deterioarte", "deterioraet". The correct spelling is "deteriorate".
How do you pronounce "deteriorate"?
The IPA (International Phonetic Alphabet) transcription for "deteriorate" is /dɪˈtɪə.ɹɪə.ɹeɪt/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "deteriorate"?
Learned borrowing from Late Latin dēteriorātus, perfect passive participle of Late Latin dēteriorō (see -ate (verb-forming suffix)), further from Latin dēterior (“worse”). Cognate with French détériorer. See the full etymology section above for more details.
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 English words by spelling shape

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

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

discredited#23,807chairperson#23,779Bridgewater#23,765Worthington#23,728

Similar misspelling depth

Headwords with a similar count of attested misspellings (15 here; floor ≥5).

crunching15 variantsBlanchard15 variantsauthorship15 variantsincubation15 variants

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

Source: FrequencyWords open word-frequency list