infuscate

verb

"infuscate" is a 9-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To darken; to make black or obscure.

Corpus desk

Index EN-infuscate · infuscate · English

infuscate · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "I" thin
  • PHOTO-UNK Peer pending

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.

Key facts for infuscate
PropertyValue
Headwordinfuscate
LanguageEnglish
Part of speechVerb
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “infuscate” in English

infuscateranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

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

Rare enough to double-check

infuscate is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. Gloss: "To darken; to make black or obscure.".

Zero misspellings are on record for infuscate in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. We don't track a confusable pairing for this entry, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: The verb is first attested in 1650, the adjective in 1826; borrowed from Latin īnfuscātus, perfect passive participle of īnfuscō (see -ate (verb-forming suffix) and -ate (adjective-forming suffix)), from in- (“in”) + fuscō (“to make dark”), from fuscus (“da… The correct English form is infuscate, spelled I-N-F-U-S-C-A-T-E.

Definition

  1. 1
    To darken; to make black or obscure.

Etymology

The verb is first attested in 1650, the adjective in 1826; borrowed from Latin īnfuscātus, perfect passive participle of īnfuscō (see -ate (verb-forming suffix) and -ate (adjective-forming suffix)), from in- (“in”) + fuscō (“to make dark”), from fuscus (“dark”).

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 "infuscate"?
"infuscate" is spelled I-N-F-U-S-C-A-T-E.
What does "infuscate" mean?
As a verb, "infuscate" means: To darken; to make black or obscure.
What is the origin of the word "infuscate"?
The verb is first attested in 1650, the adjective in 1826; borrowed from Latin īnfuscātus, perfect passive participle of īnfuscō (see -ate (verb-forming suffix) and -ate (adjective-forming suffix)), from in- (“in”) + fuscō (“to make dark”), from f... 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.

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

Source: FrequencyWords open word-frequency list